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Finding the Fourth Proportional to 118,348.52, 177,516.77 and 43,462.94

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Solution

The fourth proportional to 118,348.52, 177,516.77 and 43,462.94 is: 65,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,348.52 : 177,516.77 = 43,462.94 : x
  2. Step 2: Convert to fraction form
    118,348.52/177,516.77 = 43,462.94/x
  3. Step 3: Cross multiply
    118,348.52x = 177,516.77 × 43,462.94
  4. Step 4: Simplify right side
    118,348.52x = 7,715,399,618.61
  5. Step 5: Solve for x
    x = 7,715,399,618.61/118,348.52
  6. Step 6: Final answer
    x = 65,192.20

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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.