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Finding the Fourth Proportional to 261,759.89, 392,683.58 and 93,377.30

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Solution

The fourth proportional to 261,759.89, 392,683.58 and 93,377.30 is: 140,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,759.89 : 392,683.58 = 93,377.30 : x
  2. Step 2: Convert to fraction form
    261,759.89/392,683.58 = 93,377.30/x
  3. Step 3: Cross multiply
    261,759.89x = 392,683.58 × 93,377.30
  4. Step 4: Simplify right side
    261,759.89x = 36,667,730,024.43
  5. Step 5: Solve for x
    x = 36,667,730,024.43/261,759.89
  6. Step 6: Final answer
    x = 140,081.55

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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.