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Finding the Fourth Proportional to 83,368.74, 125,054.48 and 58,447.88

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Solution

The fourth proportional to 83,368.74, 125,054.48 and 58,447.88 is: 87,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,368.74 : 125,054.48 = 58,447.88 : x
  2. Step 2: Convert to fraction form
    83,368.74/125,054.48 = 58,447.88/x
  3. Step 3: Cross multiply
    83,368.74x = 125,054.48 × 58,447.88
  4. Step 4: Simplify right side
    83,368.74x = 7,309,169,230.30
  5. Step 5: Solve for x
    x = 7,309,169,230.30/83,368.74
  6. Step 6: Final answer
    x = 87,672.78

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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.