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Finding the Fourth Proportional to 82,909.80, 124,248.60 and 44,876.88

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Solution

The fourth proportional to 82,909.80, 124,248.60 and 44,876.88 is: 67,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,909.80 : 124,248.60 = 44,876.88 : x
  2. Step 2: Convert to fraction form
    82,909.80/124,248.60 = 44,876.88/x
  3. Step 3: Cross multiply
    82,909.80x = 124,248.60 × 44,876.88
  4. Step 4: Simplify right side
    82,909.80x = 5,575,889,512.37
  5. Step 5: Solve for x
    x = 5,575,889,512.37/82,909.80
  6. Step 6: Final answer
    x = 67,252.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.