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Finding the Fourth Proportional to 181,168.20, 270,532.30 and 147,954.15

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Solution

The fourth proportional to 181,168.20, 270,532.30 and 147,954.15 is: 220,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,168.20 : 270,532.30 = 147,954.15 : x
  2. Step 2: Convert to fraction form
    181,168.20/270,532.30 = 147,954.15/x
  3. Step 3: Cross multiply
    181,168.20x = 270,532.30 × 147,954.15
  4. Step 4: Simplify right side
    181,168.20x = 40,026,376,494.05
  5. Step 5: Solve for x
    x = 40,026,376,494.05/181,168.20
  6. Step 6: Final answer
    x = 220,934.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.