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Finding the Fourth Proportional to 230,438.67, 318,024.31 and 127,093.08

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Solution

The fourth proportional to 230,438.67, 318,024.31 and 127,093.08 is: 175,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,438.67 : 318,024.31 = 127,093.08 : x
  2. Step 2: Convert to fraction form
    230,438.67/318,024.31 = 127,093.08/x
  3. Step 3: Cross multiply
    230,438.67x = 318,024.31 × 127,093.08
  4. Step 4: Simplify right side
    230,438.67x = 40,418,690,185.93
  5. Step 5: Solve for x
    x = 40,418,690,185.93/230,438.67
  6. Step 6: Final answer
    x = 175,398.90

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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.