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Finding the Fourth Proportional to 351,710.42, 527,614.84 and 115,005.92

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Solution

The fourth proportional to 351,710.42, 527,614.84 and 115,005.92 is: 172,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,710.42 : 527,614.84 = 115,005.92 : x
  2. Step 2: Convert to fraction form
    351,710.42/527,614.84 = 115,005.92/x
  3. Step 3: Cross multiply
    351,710.42x = 527,614.84 × 115,005.92
  4. Step 4: Simplify right side
    351,710.42x = 60,678,830,079.85
  5. Step 5: Solve for x
    x = 60,678,830,079.85/351,710.42
  6. Step 6: Final answer
    x = 172,524.97

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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.