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Finding the Fourth Proportional to 124,033.73, 171,145.80 and 73,056.62

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Solution

The fourth proportional to 124,033.73, 171,145.80 and 73,056.62 is: 100,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,033.73 : 171,145.80 = 73,056.62 : x
  2. Step 2: Convert to fraction form
    124,033.73/171,145.80 = 73,056.62/x
  3. Step 3: Cross multiply
    124,033.73x = 171,145.80 × 73,056.62
  4. Step 4: Simplify right side
    124,033.73x = 12,503,332,819.47
  5. Step 5: Solve for x
    x = 12,503,332,819.47/124,033.73
  6. Step 6: Final answer
    x = 100,805.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.