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Finding the Fourth Proportional to 195,861.80, 293,792.70 and 178,658.60

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Solution

The fourth proportional to 195,861.80, 293,792.70 and 178,658.60 is: 267,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,861.80 : 293,792.70 = 178,658.60 : x
  2. Step 2: Convert to fraction form
    195,861.80/293,792.70 = 178,658.60/x
  3. Step 3: Cross multiply
    195,861.80x = 293,792.70 × 178,658.60
  4. Step 4: Simplify right side
    195,861.80x = 52,488,592,472.22
  5. Step 5: Solve for x
    x = 52,488,592,472.22/195,861.80
  6. Step 6: Final answer
    x = 267,987.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.