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Finding the Fourth Proportional to 84,108.80, 126,187.55 and 24,945.89

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Solution

The fourth proportional to 84,108.80, 126,187.55 and 24,945.89 is: 37,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,108.80 : 126,187.55 = 24,945.89 : x
  2. Step 2: Convert to fraction form
    84,108.80/126,187.55 = 24,945.89/x
  3. Step 3: Cross multiply
    84,108.80x = 126,187.55 × 24,945.89
  4. Step 4: Simplify right side
    84,108.80x = 3,147,861,119.50
  5. Step 5: Solve for x
    x = 3,147,861,119.50/84,108.80
  6. Step 6: Final answer
    x = 37,426.06

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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.