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Finding the Fourth Proportional to 120,610.59, 180,857.25 and 36,355.10

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Solution

The fourth proportional to 120,610.59, 180,857.25 and 36,355.10 is: 54,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.59 : 180,857.25 = 36,355.10 : x
  2. Step 2: Convert to fraction form
    120,610.59/180,857.25 = 36,355.10/x
  3. Step 3: Cross multiply
    120,610.59x = 180,857.25 × 36,355.10
  4. Step 4: Simplify right side
    120,610.59x = 6,575,082,505.19
  5. Step 5: Solve for x
    x = 6,575,082,505.19/120,610.59
  6. Step 6: Final answer
    x = 54,514.97

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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.