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Finding the Fourth Proportional to 96,873.40, 145,310.10 and 63,695.80

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Solution

The fourth proportional to 96,873.40, 145,310.10 and 63,695.80 is: 95,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,873.40 : 145,310.10 = 63,695.80 : x
  2. Step 2: Convert to fraction form
    96,873.40/145,310.10 = 63,695.80/x
  3. Step 3: Cross multiply
    96,873.40x = 145,310.10 × 63,695.80
  4. Step 4: Simplify right side
    96,873.40x = 9,255,643,067.58
  5. Step 5: Solve for x
    x = 9,255,643,067.58/96,873.40
  6. Step 6: Final answer
    x = 95,543.70

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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.