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Finding the Fourth Proportional to 231,610.60, 347,156.70 and 119,247.40

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Solution

The fourth proportional to 231,610.60, 347,156.70 and 119,247.40 is: 178,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,610.60 : 347,156.70 = 119,247.40 : x
  2. Step 2: Convert to fraction form
    231,610.60/347,156.70 = 119,247.40/x
  3. Step 3: Cross multiply
    231,610.60x = 347,156.70 × 119,247.40
  4. Step 4: Simplify right side
    231,610.60x = 41,397,533,867.58
  5. Step 5: Solve for x
    x = 41,397,533,867.58/231,610.60
  6. Step 6: Final answer
    x = 178,737.65

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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.