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Finding the Fourth Proportional to 62,262, 93,393.06 and 20,177.40

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Solution

The fourth proportional to 62,262, 93,393.06 and 20,177.40 is: 30,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,262 : 93,393.06 = 20,177.40 : x
  2. Step 2: Convert to fraction form
    62,262/93,393.06 = 20,177.40/x
  3. Step 3: Cross multiply
    62,262x = 93,393.06 × 20,177.40
  4. Step 4: Simplify right side
    62,262x = 1,884,429,128.84
  5. Step 5: Solve for x
    x = 1,884,429,128.84/62,262
  6. Step 6: Final answer
    x = 30,266.12

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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.