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Finding the Fourth Proportional to 118,650.57, 177,939.15 and 34,416.95

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Solution

The fourth proportional to 118,650.57, 177,939.15 and 34,416.95 is: 51,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,650.57 : 177,939.15 = 34,416.95 : x
  2. Step 2: Convert to fraction form
    118,650.57/177,939.15 = 34,416.95/x
  3. Step 3: Cross multiply
    118,650.57x = 177,939.15 × 34,416.95
  4. Step 4: Simplify right side
    118,650.57x = 6,124,121,938.90
  5. Step 5: Solve for x
    x = 6,124,121,938.90/118,650.57
  6. Step 6: Final answer
    x = 51,614.77

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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.