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Finding the Fourth Proportional to 230,863.34, 318,596.38 and 127,497.20

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Solution

The fourth proportional to 230,863.34, 318,596.38 and 127,497.20 is: 175,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,863.34 : 318,596.38 = 127,497.20 : x
  2. Step 2: Convert to fraction form
    230,863.34/318,596.38 = 127,497.20/x
  3. Step 3: Cross multiply
    230,863.34x = 318,596.38 × 127,497.20
  4. Step 4: Simplify right side
    230,863.34x = 40,620,146,380.14
  5. Step 5: Solve for x
    x = 40,620,146,380.14/230,863.34
  6. Step 6: Final answer
    x = 175,948.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.