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Finding the Fourth Proportional to 182,387.80, 273,047.10 and 129,899.80

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Solution

The fourth proportional to 182,387.80, 273,047.10 and 129,899.80 is: 194,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,387.80 : 273,047.10 = 129,899.80 : x
  2. Step 2: Convert to fraction form
    182,387.80/273,047.10 = 129,899.80/x
  3. Step 3: Cross multiply
    182,387.80x = 273,047.10 × 129,899.80
  4. Step 4: Simplify right side
    182,387.80x = 35,468,763,680.58
  5. Step 5: Solve for x
    x = 35,468,763,680.58/182,387.80
  6. Step 6: Final answer
    x = 194,468.95

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1.5x scale

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.