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Finding the Fourth Proportional to 230,245.48, 317,737.38 and 129,675.88

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Solution

The fourth proportional to 230,245.48, 317,737.38 and 129,675.88 is: 178,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,245.48 : 317,737.38 = 129,675.88 : x
  2. Step 2: Convert to fraction form
    230,245.48/317,737.38 = 129,675.88/x
  3. Step 3: Cross multiply
    230,245.48x = 317,737.38 × 129,675.88
  4. Step 4: Simplify right side
    230,245.48x = 41,202,874,360.39
  5. Step 5: Solve for x
    x = 41,202,874,360.39/230,245.48
  6. Step 6: Final answer
    x = 178,951.94

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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.