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Finding the Fourth Proportional to 96,602.20, 144,903.30 and 80,013.40

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Solution

The fourth proportional to 96,602.20, 144,903.30 and 80,013.40 is: 120,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,602.20 : 144,903.30 = 80,013.40 : x
  2. Step 2: Convert to fraction form
    96,602.20/144,903.30 = 80,013.40/x
  3. Step 3: Cross multiply
    96,602.20x = 144,903.30 × 80,013.40
  4. Step 4: Simplify right side
    96,602.20x = 11,594,205,704.22
  5. Step 5: Solve for x
    x = 11,594,205,704.22/96,602.20
  6. Step 6: Final answer
    x = 120,020.10

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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.