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Finding the Fourth Proportional to 71,930.39, 99,264.35 and 41,733.68

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Solution

The fourth proportional to 71,930.39, 99,264.35 and 41,733.68 is: 57,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,930.39 : 99,264.35 = 41,733.68 : x
  2. Step 2: Convert to fraction form
    71,930.39/99,264.35 = 41,733.68/x
  3. Step 3: Cross multiply
    71,930.39x = 99,264.35 × 41,733.68
  4. Step 4: Simplify right side
    71,930.39x = 4,142,666,970.80
  5. Step 5: Solve for x
    x = 4,142,666,970.80/71,930.39
  6. Step 6: Final answer
    x = 57,592.73

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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.