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Finding the Fourth Proportional to 96,510.60, 144,717.30 and 57,079.80

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Solution

The fourth proportional to 96,510.60, 144,717.30 and 57,079.80 is: 85,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,510.60 : 144,717.30 = 57,079.80 : x
  2. Step 2: Convert to fraction form
    96,510.60/144,717.30 = 57,079.80/x
  3. Step 3: Cross multiply
    96,510.60x = 144,717.30 × 57,079.80
  4. Step 4: Simplify right side
    96,510.60x = 8,260,434,540.54
  5. Step 5: Solve for x
    x = 8,260,434,540.54/96,510.60
  6. Step 6: Final answer
    x = 85,590.96

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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.