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Finding the Fourth Proportional to 89,687,427.90, 134,318,565.45 and 89,687,427.90

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Solution

The fourth proportional to 89,687,427.90, 134,318,565.45 and 89,687,427.90 is: 134,318,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687,427.90 : 134,318,565.45 = 89,687,427.90 : x
  2. Step 2: Convert to fraction form
    89,687,427.90/134,318,565.45 = 89,687,427.90/x
  3. Step 3: Cross multiply
    89,687,427.90x = 134,318,565.45 × 89,687,427.90
  4. Step 4: Simplify right side
    89,687,427.90x = 12,046,686,654,428,306
  5. Step 5: Solve for x
    x = 12,046,686,654,428,306/89,687,427.90
  6. Step 6: Final answer
    x = 134,318,565.45

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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.