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Finding the Fourth Proportional to 136,499.08, 204,749.16 and 41,728.92

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Solution

The fourth proportional to 136,499.08, 204,749.16 and 41,728.92 is: 62,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,499.08 : 204,749.16 = 41,728.92 : x
  2. Step 2: Convert to fraction form
    136,499.08/204,749.16 = 41,728.92/x
  3. Step 3: Cross multiply
    136,499.08x = 204,749.16 × 41,728.92
  4. Step 4: Simplify right side
    136,499.08x = 8,543,961,317.71
  5. Step 5: Solve for x
    x = 8,543,961,317.71/136,499.08
  6. Step 6: Final answer
    x = 62,593.55

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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.