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Finding the Fourth Proportional to 96,656.92, 144,928.87 and 36,689.38

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Solution

The fourth proportional to 96,656.92, 144,928.87 and 36,689.38 is: 55,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,656.92 : 144,928.87 = 36,689.38 : x
  2. Step 2: Convert to fraction form
    96,656.92/144,928.87 = 36,689.38/x
  3. Step 3: Cross multiply
    96,656.92x = 144,928.87 × 36,689.38
  4. Step 4: Simplify right side
    96,656.92x = 5,317,349,930.35
  5. Step 5: Solve for x
    x = 5,317,349,930.35/96,656.92
  6. Step 6: Final answer
    x = 55,012.62

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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.