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Finding the Fourth Proportional to 92,005.80, 126,964.77 and 51,169.73

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Solution

The fourth proportional to 92,005.80, 126,964.77 and 51,169.73 is: 70,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005.80 : 126,964.77 = 51,169.73 : x
  2. Step 2: Convert to fraction form
    92,005.80/126,964.77 = 51,169.73/x
  3. Step 3: Cross multiply
    92,005.80x = 126,964.77 × 51,169.73
  4. Step 4: Simplify right side
    92,005.80x = 6,496,752,173.70
  5. Step 5: Solve for x
    x = 6,496,752,173.70/92,005.80
  6. Step 6: Final answer
    x = 70,612.42

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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.