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Finding the Fourth Proportional to 274,068.38, 411,173.49 and 84,524.55

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Solution

The fourth proportional to 274,068.38, 411,173.49 and 84,524.55 is: 126,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,068.38 : 411,173.49 = 84,524.55 : x
  2. Step 2: Convert to fraction form
    274,068.38/411,173.49 = 84,524.55/x
  3. Step 3: Cross multiply
    274,068.38x = 411,173.49 × 84,524.55
  4. Step 4: Simplify right side
    274,068.38x = 34,754,254,214.18
  5. Step 5: Solve for x
    x = 34,754,254,214.18/274,068.38
  6. Step 6: Final answer
    x = 126,808.70

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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.