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Finding the Fourth Proportional to 138,925.01, 208,387.51 and 33,743.27

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Solution

The fourth proportional to 138,925.01, 208,387.51 and 33,743.27 is: 50,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,925.01 : 208,387.51 = 33,743.27 : x
  2. Step 2: Convert to fraction form
    138,925.01/208,387.51 = 33,743.27/x
  3. Step 3: Cross multiply
    138,925.01x = 208,387.51 × 33,743.27
  4. Step 4: Simplify right side
    138,925.01x = 7,031,674,972.62
  5. Step 5: Solve for x
    x = 7,031,674,972.62/138,925.01
  6. Step 6: Final answer
    x = 50,614.90

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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.