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Finding the Fourth Proportional to 150,328.01, 225,491.85 and 61,581.66

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Solution

The fourth proportional to 150,328.01, 225,491.85 and 61,581.66 is: 92,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,328.01 : 225,491.85 = 61,581.66 : x
  2. Step 2: Convert to fraction form
    150,328.01/225,491.85 = 61,581.66/x
  3. Step 3: Cross multiply
    150,328.01x = 225,491.85 × 61,581.66
  4. Step 4: Simplify right side
    150,328.01x = 13,886,162,439.47
  5. Step 5: Solve for x
    x = 13,886,162,439.47/150,328.01
  6. Step 6: Final answer
    x = 92,372.43

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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.