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Finding the Fourth Proportional to 150,560.61, 225,803.12 and 61,838.61

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Solution

The fourth proportional to 150,560.61, 225,803.12 and 61,838.61 is: 92,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,560.61 : 225,803.12 = 61,838.61 : x
  2. Step 2: Convert to fraction form
    150,560.61/225,803.12 = 61,838.61/x
  3. Step 3: Cross multiply
    150,560.61x = 225,803.12 × 61,838.61
  4. Step 4: Simplify right side
    150,560.61x = 13,963,350,765.27
  5. Step 5: Solve for x
    x = 13,963,350,765.27/150,560.61
  6. Step 6: Final answer
    x = 92,742.39

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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.