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Finding the Fourth Proportional to 101,956.88, 152,910.96 and 42,793.64

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Solution

The fourth proportional to 101,956.88, 152,910.96 and 42,793.64 is: 64,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,956.88 : 152,910.96 = 42,793.64 : x
  2. Step 2: Convert to fraction form
    101,956.88/152,910.96 = 42,793.64/x
  3. Step 3: Cross multiply
    101,956.88x = 152,910.96 × 42,793.64
  4. Step 4: Simplify right side
    101,956.88x = 6,543,616,574.29
  5. Step 5: Solve for x
    x = 6,543,616,574.29/101,956.88
  6. Step 6: Final answer
    x = 64,180.24

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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.