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Finding the Fourth Proportional to 167,800.76, 231,512.90 and 95,191.68

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Solution

The fourth proportional to 167,800.76, 231,512.90 and 95,191.68 is: 131,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,800.76 : 231,512.90 = 95,191.68 : x
  2. Step 2: Convert to fraction form
    167,800.76/231,512.90 = 95,191.68/x
  3. Step 3: Cross multiply
    167,800.76x = 231,512.90 × 95,191.68
  4. Step 4: Simplify right side
    167,800.76x = 22,038,101,892.67
  5. Step 5: Solve for x
    x = 22,038,101,892.67/167,800.76
  6. Step 6: Final answer
    x = 131,334.93

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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.