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Finding the Fourth Proportional to 180,560.91, 270,840.69 and 54,200.61

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Solution

The fourth proportional to 180,560.91, 270,840.69 and 54,200.61 is: 81,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,560.91 : 270,840.69 = 54,200.61 : x
  2. Step 2: Convert to fraction form
    180,560.91/270,840.69 = 54,200.61/x
  3. Step 3: Cross multiply
    180,560.91x = 270,840.69 × 54,200.61
  4. Step 4: Simplify right side
    180,560.91x = 14,679,730,610.82
  5. Step 5: Solve for x
    x = 14,679,730,610.82/180,560.91
  6. Step 6: Final answer
    x = 81,300.71

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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.