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Finding the Fourth Proportional to 118,277.43, 177,350.51 and 39,348.57

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Solution

The fourth proportional to 118,277.43, 177,350.51 and 39,348.57 is: 59,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.43 : 177,350.51 = 39,348.57 : x
  2. Step 2: Convert to fraction form
    118,277.43/177,350.51 = 39,348.57/x
  3. Step 3: Cross multiply
    118,277.43x = 177,350.51 × 39,348.57
  4. Step 4: Simplify right side
    118,277.43x = 6,978,488,760.53
  5. Step 5: Solve for x
    x = 6,978,488,760.53/118,277.43
  6. Step 6: Final answer
    x = 59,001.02

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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.