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Finding the Fourth Proportional to 137,502.48, 206,224.02 and 48,758.88

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Solution

The fourth proportional to 137,502.48, 206,224.02 and 48,758.88 is: 73,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,502.48 : 206,224.02 = 48,758.88 : x
  2. Step 2: Convert to fraction form
    137,502.48/206,224.02 = 48,758.88/x
  3. Step 3: Cross multiply
    137,502.48x = 206,224.02 × 48,758.88
  4. Step 4: Simplify right side
    137,502.48x = 10,055,252,244.30
  5. Step 5: Solve for x
    x = 10,055,252,244.30/137,502.48
  6. Step 6: Final answer
    x = 73,127.79

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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.