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Finding the Fourth Proportional to 220,432.56, 330,641.52 and 95,773.56

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Solution

The fourth proportional to 220,432.56, 330,641.52 and 95,773.56 is: 143,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,432.56 : 330,641.52 = 95,773.56 : x
  2. Step 2: Convert to fraction form
    220,432.56/330,641.52 = 95,773.56/x
  3. Step 3: Cross multiply
    220,432.56x = 330,641.52 × 95,773.56
  4. Step 4: Simplify right side
    220,432.56x = 31,666,715,454.21
  5. Step 5: Solve for x
    x = 31,666,715,454.21/220,432.56
  6. Step 6: Final answer
    x = 143,657.16

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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.