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Finding the Fourth Proportional to 84,482.76, 126,767.13 and 52,887.42

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Solution

The fourth proportional to 84,482.76, 126,767.13 and 52,887.42 is: 79,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,482.76 : 126,767.13 = 52,887.42 : x
  2. Step 2: Convert to fraction form
    84,482.76/126,767.13 = 52,887.42/x
  3. Step 3: Cross multiply
    84,482.76x = 126,767.13 × 52,887.42
  4. Step 4: Simplify right side
    84,482.76x = 6,704,386,446.50
  5. Step 5: Solve for x
    x = 6,704,386,446.50/84,482.76
  6. Step 6: Final answer
    x = 79,358.04

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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.