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Finding the Fourth Proportional to 150,520.56, 225,916.20 and 80,459.76

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Solution

The fourth proportional to 150,520.56, 225,916.20 and 80,459.76 is: 120,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,520.56 : 225,916.20 = 80,459.76 : x
  2. Step 2: Convert to fraction form
    150,520.56/225,916.20 = 80,459.76/x
  3. Step 3: Cross multiply
    150,520.56x = 225,916.20 × 80,459.76
  4. Step 4: Simplify right side
    150,520.56x = 18,177,163,232.11
  5. Step 5: Solve for x
    x = 18,177,163,232.11/150,520.56
  6. Step 6: Final answer
    x = 120,762.00

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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.