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Finding the Fourth Proportional to 496,581.92, 744,881.52 and 136,750.92

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Solution

The fourth proportional to 496,581.92, 744,881.52 and 136,750.92 is: 205,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,581.92 : 744,881.52 = 136,750.92 : x
  2. Step 2: Convert to fraction form
    496,581.92/744,881.52 = 136,750.92/x
  3. Step 3: Cross multiply
    496,581.92x = 744,881.52 × 136,750.92
  4. Step 4: Simplify right side
    496,581.92x = 101,863,233,151.00
  5. Step 5: Solve for x
    x = 101,863,233,151.00/496,581.92
  6. Step 6: Final answer
    x = 205,128.76

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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.