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Finding the Fourth Proportional to 71,228.34, 98,314.54 and 44,354.97

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Solution

The fourth proportional to 71,228.34, 98,314.54 and 44,354.97 is: 61,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,228.34 : 98,314.54 = 44,354.97 : x
  2. Step 2: Convert to fraction form
    71,228.34/98,314.54 = 44,354.97/x
  3. Step 3: Cross multiply
    71,228.34x = 98,314.54 × 44,354.97
  4. Step 4: Simplify right side
    71,228.34x = 4,360,738,610.87
  5. Step 5: Solve for x
    x = 4,360,738,610.87/71,228.34
  6. Step 6: Final answer
    x = 61,221.96

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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.