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Finding the Fourth Proportional to 250,187.75, 344,915.88 and 158,261.30

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Solution

The fourth proportional to 250,187.75, 344,915.88 and 158,261.30 is: 218,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,187.75 : 344,915.88 = 158,261.30 : x
  2. Step 2: Convert to fraction form
    250,187.75/344,915.88 = 158,261.30/x
  3. Step 3: Cross multiply
    250,187.75x = 344,915.88 × 158,261.30
  4. Step 4: Simplify right side
    250,187.75x = 54,586,833,834.86
  5. Step 5: Solve for x
    x = 54,586,833,834.86/250,187.75
  6. Step 6: Final answer
    x = 218,183.48

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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.