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Finding the Fourth Proportional to 144,233.70, 216,350.55 and 82,025.70

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Solution

The fourth proportional to 144,233.70, 216,350.55 and 82,025.70 is: 123,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,233.70 : 216,350.55 = 82,025.70 : x
  2. Step 2: Convert to fraction form
    144,233.70/216,350.55 = 82,025.70/x
  3. Step 3: Cross multiply
    144,233.70x = 216,350.55 × 82,025.70
  4. Step 4: Simplify right side
    144,233.70x = 17,746,305,309.14
  5. Step 5: Solve for x
    x = 17,746,305,309.14/144,233.70
  6. Step 6: Final answer
    x = 123,038.55

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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.