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Finding the Fourth Proportional to 96,853.60, 144,934.80 and 88,559.20

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Solution

The fourth proportional to 96,853.60, 144,934.80 and 88,559.20 is: 132,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,853.60 : 144,934.80 = 88,559.20 : x
  2. Step 2: Convert to fraction form
    96,853.60/144,934.80 = 88,559.20/x
  3. Step 3: Cross multiply
    96,853.60x = 144,934.80 × 88,559.20
  4. Step 4: Simplify right side
    96,853.60x = 12,835,309,940.16
  5. Step 5: Solve for x
    x = 12,835,309,940.16/96,853.60
  6. Step 6: Final answer
    x = 132,522.80

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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.