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Finding the Fourth Proportional to 89,898,191.70, 134,847,287.55 and 89,898,191.70

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Solution

The fourth proportional to 89,898,191.70, 134,847,287.55 and 89,898,191.70 is: 134,847,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,898,191.70 : 134,847,287.55 = 89,898,191.70 : x
  2. Step 2: Convert to fraction form
    89,898,191.70/134,847,287.55 = 89,898,191.70/x
  3. Step 3: Cross multiply
    89,898,191.70x = 134,847,287.55 × 89,898,191.70
  4. Step 4: Simplify right side
    89,898,191.70x = 12,122,527,306,394,924
  5. Step 5: Solve for x
    x = 12,122,527,306,394,924/89,898,191.70
  6. Step 6: Final answer
    x = 134,847,287.55

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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.