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Finding the Fourth Proportional to 181,712.79, 250,696.35 and 181,432.54

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Solution

The fourth proportional to 181,712.79, 250,696.35 and 181,432.54 is: 250,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,712.79 : 250,696.35 = 181,432.54 : x
  2. Step 2: Convert to fraction form
    181,712.79/250,696.35 = 181,432.54/x
  3. Step 3: Cross multiply
    181,712.79x = 250,696.35 × 181,432.54
  4. Step 4: Simplify right side
    181,712.79x = 45,484,474,951.08
  5. Step 5: Solve for x
    x = 45,484,474,951.08/181,712.79
  6. Step 6: Final answer
    x = 250,309.71

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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.