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Finding the Fourth Proportional to 96,387.92, 144,023.62 and 69,606.44

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Solution

The fourth proportional to 96,387.92, 144,023.62 and 69,606.44 is: 104,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,387.92 : 144,023.62 = 69,606.44 : x
  2. Step 2: Convert to fraction form
    96,387.92/144,023.62 = 69,606.44/x
  3. Step 3: Cross multiply
    96,387.92x = 144,023.62 × 69,606.44
  4. Step 4: Simplify right side
    96,387.92x = 10,024,971,464.11
  5. Step 5: Solve for x
    x = 10,024,971,464.11/96,387.92
  6. Step 6: Final answer
    x = 104,006.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.