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Finding the Fourth Proportional to 101,955.79, 140,738.24 and 67,951.85

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Solution

The fourth proportional to 101,955.79, 140,738.24 and 67,951.85 is: 93,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,955.79 : 140,738.24 = 67,951.85 : x
  2. Step 2: Convert to fraction form
    101,955.79/140,738.24 = 67,951.85/x
  3. Step 3: Cross multiply
    101,955.79x = 140,738.24 × 67,951.85
  4. Step 4: Simplify right side
    101,955.79x = 9,563,423,433.98
  5. Step 5: Solve for x
    x = 9,563,423,433.98/101,955.79
  6. Step 6: Final answer
    x = 93,799.71

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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.