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Finding the Fourth Proportional to 203,244.48, 280,426.72 and 117,229.76

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Solution

The fourth proportional to 203,244.48, 280,426.72 and 117,229.76 is: 161,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,244.48 : 280,426.72 = 117,229.76 : x
  2. Step 2: Convert to fraction form
    203,244.48/280,426.72 = 117,229.76/x
  3. Step 3: Cross multiply
    203,244.48x = 280,426.72 × 117,229.76
  4. Step 4: Simplify right side
    203,244.48x = 32,874,357,083.19
  5. Step 5: Solve for x
    x = 32,874,357,083.19/203,244.48
  6. Step 6: Final answer
    x = 161,747.85

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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.