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Finding the Fourth Proportional to 144,601.20, 216,901.80 and 93,862.80

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Solution

The fourth proportional to 144,601.20, 216,901.80 and 93,862.80 is: 140,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,601.20 : 216,901.80 = 93,862.80 : x
  2. Step 2: Convert to fraction form
    144,601.20/216,901.80 = 93,862.80/x
  3. Step 3: Cross multiply
    144,601.20x = 216,901.80 × 93,862.80
  4. Step 4: Simplify right side
    144,601.20x = 20,359,010,273.04
  5. Step 5: Solve for x
    x = 20,359,010,273.04/144,601.20
  6. Step 6: Final answer
    x = 140,794.20

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1.5x scale

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.