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Finding the Fourth Proportional to 261,737.70, 392,590.96 and 93,249.10

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Solution

The fourth proportional to 261,737.70, 392,590.96 and 93,249.10 is: 139,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,737.70 : 392,590.96 = 93,249.10 : x
  2. Step 2: Convert to fraction form
    261,737.70/392,590.96 = 93,249.10/x
  3. Step 3: Cross multiply
    261,737.70x = 392,590.96 × 93,249.10
  4. Step 4: Simplify right side
    261,737.70x = 36,608,753,688.14
  5. Step 5: Solve for x
    x = 36,608,753,688.14/261,737.70
  6. Step 6: Final answer
    x = 139,868.10

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1.5x scale

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.