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Finding the Fourth Proportional to 84,482.01, 126,610.92 and 70,469.49

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Solution

The fourth proportional to 84,482.01, 126,610.92 and 70,469.49 is: 105,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,482.01 : 126,610.92 = 70,469.49 : x
  2. Step 2: Convert to fraction form
    84,482.01/126,610.92 = 70,469.49/x
  3. Step 3: Cross multiply
    84,482.01x = 126,610.92 × 70,469.49
  4. Step 4: Simplify right side
    84,482.01x = 8,922,206,960.83
  5. Step 5: Solve for x
    x = 8,922,206,960.83/84,482.01
  6. Step 6: Final answer
    x = 105,610.73

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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.