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Finding the Fourth Proportional to 150,689.92, 226,071.48 and 45,502.60

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Solution

The fourth proportional to 150,689.92, 226,071.48 and 45,502.60 is: 68,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,689.92 : 226,071.48 = 45,502.60 : x
  2. Step 2: Convert to fraction form
    150,689.92/226,071.48 = 45,502.60/x
  3. Step 3: Cross multiply
    150,689.92x = 226,071.48 × 45,502.60
  4. Step 4: Simplify right side
    150,689.92x = 10,286,840,125.85
  5. Step 5: Solve for x
    x = 10,286,840,125.85/150,689.92
  6. Step 6: Final answer
    x = 68,264.95

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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.