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Finding the Fourth Proportional to 71,221.31, 98,304.84 and 44,347.94

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Solution

The fourth proportional to 71,221.31, 98,304.84 and 44,347.94 is: 61,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,221.31 : 98,304.84 = 44,347.94 : x
  2. Step 2: Convert to fraction form
    71,221.31/98,304.84 = 44,347.94/x
  3. Step 3: Cross multiply
    71,221.31x = 98,304.84 × 44,347.94
  4. Step 4: Simplify right side
    71,221.31x = 4,359,617,023.15
  5. Step 5: Solve for x
    x = 4,359,617,023.15/71,221.31
  6. Step 6: Final answer
    x = 61,212.26

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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.