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Finding the Fourth Proportional to 79,593.26, 109,854.24 and 45,624.50

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Solution

The fourth proportional to 79,593.26, 109,854.24 and 45,624.50 is: 62,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,593.26 : 109,854.24 = 45,624.50 : x
  2. Step 2: Convert to fraction form
    79,593.26/109,854.24 = 45,624.50/x
  3. Step 3: Cross multiply
    79,593.26x = 109,854.24 × 45,624.50
  4. Step 4: Simplify right side
    79,593.26x = 5,012,044,772.88
  5. Step 5: Solve for x
    x = 5,012,044,772.88/79,593.26
  6. Step 6: Final answer
    x = 62,970.72

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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.