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Finding the Fourth Proportional to 120,562.67, 180,853.84 and 60,560.28

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Solution

The fourth proportional to 120,562.67, 180,853.84 and 60,560.28 is: 90,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,562.67 : 180,853.84 = 60,560.28 : x
  2. Step 2: Convert to fraction form
    120,562.67/180,853.84 = 60,560.28/x
  3. Step 3: Cross multiply
    120,562.67x = 180,853.84 × 60,560.28
  4. Step 4: Simplify right side
    120,562.67x = 10,952,558,285.21
  5. Step 5: Solve for x
    x = 10,952,558,285.21/120,562.67
  6. Step 6: Final answer
    x = 90,845.35

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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.