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Finding the Fourth Proportional to 71,553.32, 98,742.66 and 41,338.52

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Solution

The fourth proportional to 71,553.32, 98,742.66 and 41,338.52 is: 57,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,553.32 : 98,742.66 = 41,338.52 : x
  2. Step 2: Convert to fraction form
    71,553.32/98,742.66 = 41,338.52/x
  3. Step 3: Cross multiply
    71,553.32x = 98,742.66 × 41,338.52
  4. Step 4: Simplify right side
    71,553.32x = 4,081,875,425.26
  5. Step 5: Solve for x
    x = 4,081,875,425.26/71,553.32
  6. Step 6: Final answer
    x = 57,046.63

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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.