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Finding the Fourth Proportional to 79,274.55, 118,939.18 and 49,657.11

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Solution

The fourth proportional to 79,274.55, 118,939.18 and 49,657.11 is: 74,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.55 : 118,939.18 = 49,657.11 : x
  2. Step 2: Convert to fraction form
    79,274.55/118,939.18 = 49,657.11/x
  3. Step 3: Cross multiply
    79,274.55x = 118,939.18 × 49,657.11
  4. Step 4: Simplify right side
    79,274.55x = 5,906,175,944.57
  5. Step 5: Solve for x
    x = 5,906,175,944.57/79,274.55
  6. Step 6: Final answer
    x = 74,502.80

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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.