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Finding the Fourth Proportional to 92,020.56, 138,063.24 and 45,306.24

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Solution

The fourth proportional to 92,020.56, 138,063.24 and 45,306.24 is: 67,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,020.56 : 138,063.24 = 45,306.24 : x
  2. Step 2: Convert to fraction form
    92,020.56/138,063.24 = 45,306.24/x
  3. Step 3: Cross multiply
    92,020.56x = 138,063.24 × 45,306.24
  4. Step 4: Simplify right side
    92,020.56x = 6,255,126,286.62
  5. Step 5: Solve for x
    x = 6,255,126,286.62/92,020.56
  6. Step 6: Final answer
    x = 67,975.31

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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.