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Finding the Fourth Proportional to 96,672.93, 144,981.37 and 40,511.53

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Solution

The fourth proportional to 96,672.93, 144,981.37 and 40,511.53 is: 60,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,672.93 : 144,981.37 = 40,511.53 : x
  2. Step 2: Convert to fraction form
    96,672.93/144,981.37 = 40,511.53/x
  3. Step 3: Cross multiply
    96,672.93x = 144,981.37 × 40,511.53
  4. Step 4: Simplify right side
    96,672.93x = 5,873,417,120.20
  5. Step 5: Solve for x
    x = 5,873,417,120.20/96,672.93
  6. Step 6: Final answer
    x = 60,755.55

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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.