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Finding the Fourth Proportional to 84,115.82, 126,173.72 and 24,950.98

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Solution

The fourth proportional to 84,115.82, 126,173.72 and 24,950.98 is: 37,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.82 : 126,173.72 = 24,950.98 : x
  2. Step 2: Convert to fraction form
    84,115.82/126,173.72 = 24,950.98/x
  3. Step 3: Cross multiply
    84,115.82x = 126,173.72 × 24,950.98
  4. Step 4: Simplify right side
    84,115.82x = 3,148,157,511.70
  5. Step 5: Solve for x
    x = 3,148,157,511.70/84,115.82
  6. Step 6: Final answer
    x = 37,426.46

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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.