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Finding the Fourth Proportional to 118,542.76, 177,721.24 and 59,348.68

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Solution

The fourth proportional to 118,542.76, 177,721.24 and 59,348.68 is: 88,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,542.76 : 177,721.24 = 59,348.68 : x
  2. Step 2: Convert to fraction form
    118,542.76/177,721.24 = 59,348.68/x
  3. Step 3: Cross multiply
    118,542.76x = 177,721.24 × 59,348.68
  4. Step 4: Simplify right side
    118,542.76x = 10,547,521,001.96
  5. Step 5: Solve for x
    x = 10,547,521,001.96/118,542.76
  6. Step 6: Final answer
    x = 88,976.51

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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.