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Finding the Fourth Proportional to 57,748,601.80, 86,622,902.70 and 57,350,470.60

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Solution

The fourth proportional to 57,748,601.80, 86,622,902.70 and 57,350,470.60 is: 86,025,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748,601.80 : 86,622,902.70 = 57,350,470.60 : x
  2. Step 2: Convert to fraction form
    57,748,601.80/86,622,902.70 = 57,350,470.60/x
  3. Step 3: Cross multiply
    57,748,601.80x = 86,622,902.70 × 57,350,470.60
  4. Step 4: Simplify right side
    57,748,601.80x = 4,967,864,234,583,011
  5. Step 5: Solve for x
    x = 4,967,864,234,583,011/57,748,601.80
  6. Step 6: Final answer
    x = 86,025,705.90

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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.