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Finding the Fourth Proportional to 118,397.52, 177,590.48 and 43,511.94

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Solution

The fourth proportional to 118,397.52, 177,590.48 and 43,511.94 is: 65,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,397.52 : 177,590.48 = 43,511.94 : x
  2. Step 2: Convert to fraction form
    118,397.52/177,590.48 = 43,511.94/x
  3. Step 3: Cross multiply
    118,397.52x = 177,590.48 × 43,511.94
  4. Step 4: Simplify right side
    118,397.52x = 7,727,306,092.77
  5. Step 5: Solve for x
    x = 7,727,306,092.77/118,397.52
  6. Step 6: Final answer
    x = 65,265.78

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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.