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Finding the Fourth Proportional to 96,362.15, 144,542.41 and 75,319.89

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Solution

The fourth proportional to 96,362.15, 144,542.41 and 75,319.89 is: 112,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,362.15 : 144,542.41 = 75,319.89 : x
  2. Step 2: Convert to fraction form
    96,362.15/144,542.41 = 75,319.89/x
  3. Step 3: Cross multiply
    96,362.15x = 144,542.41 × 75,319.89
  4. Step 4: Simplify right side
    96,362.15x = 10,886,918,594.59
  5. Step 5: Solve for x
    x = 10,886,918,594.59/96,362.15
  6. Step 6: Final answer
    x = 112,979.20

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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.