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Finding the Fourth Proportional to 134,049.90, 201,101.85 and 39,279.90

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Solution

The fourth proportional to 134,049.90, 201,101.85 and 39,279.90 is: 58,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,049.90 : 201,101.85 = 39,279.90 : x
  2. Step 2: Convert to fraction form
    134,049.90/201,101.85 = 39,279.90/x
  3. Step 3: Cross multiply
    134,049.90x = 201,101.85 × 39,279.90
  4. Step 4: Simplify right side
    134,049.90x = 7,899,260,557.82
  5. Step 5: Solve for x
    x = 7,899,260,557.82/134,049.90
  6. Step 6: Final answer
    x = 58,927.76

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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.