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Finding the Fourth Proportional to 144,601.70, 216,902.55 and 93,863.30

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Solution

The fourth proportional to 144,601.70, 216,902.55 and 93,863.30 is: 140,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,601.70 : 216,902.55 = 93,863.30 : x
  2. Step 2: Convert to fraction form
    144,601.70/216,902.55 = 93,863.30/x
  3. Step 3: Cross multiply
    144,601.70x = 216,902.55 × 93,863.30
  4. Step 4: Simplify right side
    144,601.70x = 20,359,189,121.42
  5. Step 5: Solve for x
    x = 20,359,189,121.42/144,601.70
  6. Step 6: Final answer
    x = 140,794.95

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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.