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Finding the Fourth Proportional to 79,293.60, 109,416.96 and 45,310.59

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Solution

The fourth proportional to 79,293.60, 109,416.96 and 45,310.59 is: 62,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293.60 : 109,416.96 = 45,310.59 : x
  2. Step 2: Convert to fraction form
    79,293.60/109,416.96 = 45,310.59/x
  3. Step 3: Cross multiply
    79,293.60x = 109,416.96 × 45,310.59
  4. Step 4: Simplify right side
    79,293.60x = 4,957,747,013.61
  5. Step 5: Solve for x
    x = 4,957,747,013.61/79,293.60
  6. Step 6: Final answer
    x = 62,523.92

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1.5x scale

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.