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Finding the Fourth Proportional to 101,302.38, 151,960.04 and 38,972.88

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Solution

The fourth proportional to 101,302.38, 151,960.04 and 38,972.88 is: 58,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,302.38 : 151,960.04 = 38,972.88 : x
  2. Step 2: Convert to fraction form
    101,302.38/151,960.04 = 38,972.88/x
  3. Step 3: Cross multiply
    101,302.38x = 151,960.04 × 38,972.88
  4. Step 4: Simplify right side
    101,302.38x = 5,922,320,403.72
  5. Step 5: Solve for x
    x = 5,922,320,403.72/101,302.38
  6. Step 6: Final answer
    x = 58,461.81

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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.