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Finding the Fourth Proportional to 72,654,984,007.95, 108,982,476,011.93 and 72,654,984,007.95

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Solution

The fourth proportional to 72,654,984,007.95, 108,982,476,011.93 and 72,654,984,007.95 is: 108,982,476,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,654,984,007.95 : 108,982,476,011.93 = 72,654,984,007.95 : x
  2. Step 2: Convert to fraction form
    72,654,984,007.95/108,982,476,011.93 = 72,654,984,007.95/x
  3. Step 3: Cross multiply
    72,654,984,007.95x = 108,982,476,011.93 × 72,654,984,007.95
  4. Step 4: Simplify right side
    72,654,984,007.95x = 7,918,120,051,793,568,202,752
  5. Step 5: Solve for x
    x = 7,918,120,051,793,568,202,752/72,654,984,007.95
  6. Step 6: Final answer
    x = 108,982,476,011.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.