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Finding the Fourth Proportional to 78,819.62, 108,773.48 and 44,833.01

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Solution

The fourth proportional to 78,819.62, 108,773.48 and 44,833.01 is: 61,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,819.62 : 108,773.48 = 44,833.01 : x
  2. Step 2: Convert to fraction form
    78,819.62/108,773.48 = 44,833.01/x
  3. Step 3: Cross multiply
    78,819.62x = 108,773.48 × 44,833.01
  4. Step 4: Simplify right side
    78,819.62x = 4,876,642,084.79
  5. Step 5: Solve for x
    x = 4,876,642,084.79/78,819.62
  6. Step 6: Final answer
    x = 61,870.92

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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.