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Finding the Fourth Proportional to 144,874.90, 216,793.95 and 132,433.30

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Solution

The fourth proportional to 144,874.90, 216,793.95 and 132,433.30 is: 198,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,874.90 : 216,793.95 = 132,433.30 : x
  2. Step 2: Convert to fraction form
    144,874.90/216,793.95 = 132,433.30/x
  3. Step 3: Cross multiply
    144,874.90x = 216,793.95 × 132,433.30
  4. Step 4: Simplify right side
    144,874.90x = 28,710,738,218.54
  5. Step 5: Solve for x
    x = 28,710,738,218.54/144,874.90
  6. Step 6: Final answer
    x = 198,176.07

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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.