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Finding the Fourth Proportional to 71,342.33, 98,390.98 and 44,456.81

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Solution

The fourth proportional to 71,342.33, 98,390.98 and 44,456.81 is: 61,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.33 : 98,390.98 = 44,456.81 : x
  2. Step 2: Convert to fraction form
    71,342.33/98,390.98 = 44,456.81/x
  3. Step 3: Cross multiply
    71,342.33x = 98,390.98 × 44,456.81
  4. Step 4: Simplify right side
    71,342.33x = 4,374,149,103.57
  5. Step 5: Solve for x
    x = 4,374,149,103.57/71,342.33
  6. Step 6: Final answer
    x = 61,312.11

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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.