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Finding the Fourth Proportional to 181,752.92, 250,917.44 and 127,471.76

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Solution

The fourth proportional to 181,752.92, 250,917.44 and 127,471.76 is: 175,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,752.92 : 250,917.44 = 127,471.76 : x
  2. Step 2: Convert to fraction form
    181,752.92/250,917.44 = 127,471.76/x
  3. Step 3: Cross multiply
    181,752.92x = 250,917.44 × 127,471.76
  4. Step 4: Simplify right side
    181,752.92x = 31,984,887,691.49
  5. Step 5: Solve for x
    x = 31,984,887,691.49/181,752.92
  6. Step 6: Final answer
    x = 175,980.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.