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Finding the Fourth Proportional to 96,363.60, 144,544.57 and 75,321.32

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Solution

The fourth proportional to 96,363.60, 144,544.57 and 75,321.32 is: 112,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,363.60 : 144,544.57 = 75,321.32 : x
  2. Step 2: Convert to fraction form
    96,363.60/144,544.57 = 75,321.32/x
  3. Step 3: Cross multiply
    96,363.60x = 144,544.57 × 75,321.32
  4. Step 4: Simplify right side
    96,363.60x = 10,887,287,434.63
  5. Step 5: Solve for x
    x = 10,887,287,434.63/96,363.60
  6. Step 6: Final answer
    x = 112,981.33

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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.