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Finding the Fourth Proportional to 261,762.89, 392,688.07 and 93,380.29

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Solution

The fourth proportional to 261,762.89, 392,688.07 and 93,380.29 is: 140,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,762.89 : 392,688.07 = 93,380.29 : x
  2. Step 2: Convert to fraction form
    261,762.89/392,688.07 = 93,380.29/x
  3. Step 3: Cross multiply
    261,762.89x = 392,688.07 × 93,380.29
  4. Step 4: Simplify right side
    261,762.89x = 36,669,324,640.97
  5. Step 5: Solve for x
    x = 36,669,324,640.97/261,762.89
  6. Step 6: Final answer
    x = 140,086.03

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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.