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Finding the Fourth Proportional to 96,508.67, 144,790.34 and 40,375.67

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Solution

The fourth proportional to 96,508.67, 144,790.34 and 40,375.67 is: 60,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,508.67 : 144,790.34 = 40,375.67 : x
  2. Step 2: Convert to fraction form
    96,508.67/144,790.34 = 40,375.67/x
  3. Step 3: Cross multiply
    96,508.67x = 144,790.34 × 40,375.67
  4. Step 4: Simplify right side
    96,508.67x = 5,846,006,061.20
  5. Step 5: Solve for x
    x = 5,846,006,061.20/96,508.67
  6. Step 6: Final answer
    x = 60,574.93

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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.