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Finding the Fourth Proportional to 150,490.91, 225,766.04 and 55,721.93

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Solution

The fourth proportional to 150,490.91, 225,766.04 and 55,721.93 is: 83,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,490.91 : 225,766.04 = 55,721.93 : x
  2. Step 2: Convert to fraction form
    150,490.91/225,766.04 = 55,721.93/x
  3. Step 3: Cross multiply
    150,490.91x = 225,766.04 × 55,721.93
  4. Step 4: Simplify right side
    150,490.91x = 12,580,118,069.82
  5. Step 5: Solve for x
    x = 12,580,118,069.82/150,490.91
  6. Step 6: Final answer
    x = 83,593.87

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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.