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Finding the Fourth Proportional to 118,151.47, 177,168.07 and 39,238.03

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Solution

The fourth proportional to 118,151.47, 177,168.07 and 39,238.03 is: 58,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,151.47 : 177,168.07 = 39,238.03 : x
  2. Step 2: Convert to fraction form
    118,151.47/177,168.07 = 39,238.03/x
  3. Step 3: Cross multiply
    118,151.47x = 177,168.07 × 39,238.03
  4. Step 4: Simplify right side
    118,151.47x = 6,951,726,045.70
  5. Step 5: Solve for x
    x = 6,951,726,045.70/118,151.47
  6. Step 6: Final answer
    x = 58,837.41

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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.