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Finding the Fourth Proportional to 231,861.60, 347,792.40 and 161,002.80

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Solution

The fourth proportional to 231,861.60, 347,792.40 and 161,002.80 is: 241,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,861.60 : 347,792.40 = 161,002.80 : x
  2. Step 2: Convert to fraction form
    231,861.60/347,792.40 = 161,002.80/x
  3. Step 3: Cross multiply
    231,861.60x = 347,792.40 × 161,002.80
  4. Step 4: Simplify right side
    231,861.60x = 55,995,550,218.72
  5. Step 5: Solve for x
    x = 55,995,550,218.72/231,861.60
  6. Step 6: Final answer
    x = 241,504.20

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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.