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Finding the Fourth Proportional to 177,147,133.20, 247,432,030.20 and 177,147,133.20

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Solution

The fourth proportional to 177,147,133.20, 247,432,030.20 and 177,147,133.20 is: 247,432,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,133.20 : 247,432,030.20 = 177,147,133.20 : x
  2. Step 2: Convert to fraction form
    177,147,133.20/247,432,030.20 = 177,147,133.20/x
  3. Step 3: Cross multiply
    177,147,133.20x = 247,432,030.20 × 177,147,133.20
  4. Step 4: Simplify right side
    177,147,133.20x = 43,831,874,811,785,816
  5. Step 5: Solve for x
    x = 43,831,874,811,785,816/177,147,133.20
  6. Step 6: Final answer
    x = 247,432,030.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.