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Finding the Fourth Proportional to 363,709.92, 545,650.74 and 114,391.92

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Solution

The fourth proportional to 363,709.92, 545,650.74 and 114,391.92 is: 171,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,709.92 : 545,650.74 = 114,391.92 : x
  2. Step 2: Convert to fraction form
    363,709.92/545,650.74 = 114,391.92/x
  3. Step 3: Cross multiply
    363,709.92x = 545,650.74 × 114,391.92
  4. Step 4: Simplify right side
    363,709.92x = 62,418,035,798.02
  5. Step 5: Solve for x
    x = 62,418,035,798.02/363,709.92
  6. Step 6: Final answer
    x = 171,614.88

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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.