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Finding the Fourth Proportional to 146,714.80, 220,072.20 and 75,637.30

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Solution

The fourth proportional to 146,714.80, 220,072.20 and 75,637.30 is: 113,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,714.80 : 220,072.20 = 75,637.30 : x
  2. Step 2: Convert to fraction form
    146,714.80/220,072.20 = 75,637.30/x
  3. Step 3: Cross multiply
    146,714.80x = 220,072.20 × 75,637.30
  4. Step 4: Simplify right side
    146,714.80x = 16,645,667,013.06
  5. Step 5: Solve for x
    x = 16,645,667,013.06/146,714.80
  6. Step 6: Final answer
    x = 113,455.95

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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.