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Finding the Fourth Proportional to 150,099.04, 225,082.86 and 71,235.76

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Solution

The fourth proportional to 150,099.04, 225,082.86 and 71,235.76 is: 106,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,099.04 : 225,082.86 = 71,235.76 : x
  2. Step 2: Convert to fraction form
    150,099.04/225,082.86 = 71,235.76/x
  3. Step 3: Cross multiply
    150,099.04x = 225,082.86 × 71,235.76
  4. Step 4: Simplify right side
    150,099.04x = 16,033,948,595.07
  5. Step 5: Solve for x
    x = 16,033,948,595.07/150,099.04
  6. Step 6: Final answer
    x = 106,822.46

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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.