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Finding the Fourth Proportional to 135,932.48, 203,898.72 and 42,446.24

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Solution

The fourth proportional to 135,932.48, 203,898.72 and 42,446.24 is: 63,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.48 : 203,898.72 = 42,446.24 : x
  2. Step 2: Convert to fraction form
    135,932.48/203,898.72 = 42,446.24/x
  3. Step 3: Cross multiply
    135,932.48x = 203,898.72 × 42,446.24
  4. Step 4: Simplify right side
    135,932.48x = 8,654,734,004.81
  5. Step 5: Solve for x
    x = 8,654,734,004.81/135,932.48
  6. Step 6: Final answer
    x = 63,669.36

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Similar ratio
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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.