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Finding the Fourth Proportional to 144,022.80, 216,034.20 and 130,244.70

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Solution

The fourth proportional to 144,022.80, 216,034.20 and 130,244.70 is: 195,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.80 : 216,034.20 = 130,244.70 : x
  2. Step 2: Convert to fraction form
    144,022.80/216,034.20 = 130,244.70/x
  3. Step 3: Cross multiply
    144,022.80x = 216,034.20 × 130,244.70
  4. Step 4: Simplify right side
    144,022.80x = 28,137,309,568.74
  5. Step 5: Solve for x
    x = 28,137,309,568.74/144,022.80
  6. Step 6: Final answer
    x = 195,367.05

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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.