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Finding the Fourth Proportional to 230,737.88, 318,418.33 and 127,372.16

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Solution

The fourth proportional to 230,737.88, 318,418.33 and 127,372.16 is: 175,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,737.88 : 318,418.33 = 127,372.16 : x
  2. Step 2: Convert to fraction form
    230,737.88/318,418.33 = 127,372.16/x
  3. Step 3: Cross multiply
    230,737.88x = 318,418.33 × 127,372.16
  4. Step 4: Simplify right side
    230,737.88x = 40,557,630,475.69
  5. Step 5: Solve for x
    x = 40,557,630,475.69/230,737.88
  6. Step 6: Final answer
    x = 175,773.61

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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.