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Finding the Fourth Proportional to 118,124.93, 176,990.16 and 83,001.71

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Solution

The fourth proportional to 118,124.93, 176,990.16 and 83,001.71 is: 124,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,124.93 : 176,990.16 = 83,001.71 : x
  2. Step 2: Convert to fraction form
    118,124.93/176,990.16 = 83,001.71/x
  3. Step 3: Cross multiply
    118,124.93x = 176,990.16 × 83,001.71
  4. Step 4: Simplify right side
    118,124.93x = 14,690,486,686.91
  5. Step 5: Solve for x
    x = 14,690,486,686.91/118,124.93
  6. Step 6: Final answer
    x = 124,363.98

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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.