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Finding the Fourth Proportional to 169,797.79, 234,311.41 and 101,780.72

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Solution

The fourth proportional to 169,797.79, 234,311.41 and 101,780.72 is: 140,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,797.79 : 234,311.41 = 101,780.72 : x
  2. Step 2: Convert to fraction form
    169,797.79/234,311.41 = 101,780.72/x
  3. Step 3: Cross multiply
    169,797.79x = 234,311.41 × 101,780.72
  4. Step 4: Simplify right side
    169,797.79x = 23,848,384,014.02
  5. Step 5: Solve for x
    x = 23,848,384,014.02/169,797.79
  6. Step 6: Final answer
    x = 140,451.68

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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.