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Finding the Fourth Proportional to 261,760.39, 392,684.32 and 93,377.79

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Solution

The fourth proportional to 261,760.39, 392,684.32 and 93,377.79 is: 140,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,760.39 : 392,684.32 = 93,377.79 : x
  2. Step 2: Convert to fraction form
    261,760.39/392,684.32 = 93,377.79/x
  3. Step 3: Cross multiply
    261,760.39x = 392,684.32 × 93,377.79
  4. Step 4: Simplify right side
    261,760.39x = 36,667,993,969.25
  5. Step 5: Solve for x
    x = 36,667,993,969.25/261,760.39
  6. Step 6: Final answer
    x = 140,082.29

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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.