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Finding the Fourth Proportional to 96,390.65, 132,925.78 and 75,162.17

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Solution

The fourth proportional to 96,390.65, 132,925.78 and 75,162.17 is: 103,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,390.65 : 132,925.78 = 75,162.17 : x
  2. Step 2: Convert to fraction form
    96,390.65/132,925.78 = 75,162.17/x
  3. Step 3: Cross multiply
    96,390.65x = 132,925.78 × 75,162.17
  4. Step 4: Simplify right side
    96,390.65x = 9,990,990,073.74
  5. Step 5: Solve for x
    x = 9,990,990,073.74/96,390.65
  6. Step 6: Final answer
    x = 103,651.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.