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Finding the Fourth Proportional to 357,010.20, 535,179.24 and 120,187.44

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Solution

The fourth proportional to 357,010.20, 535,179.24 and 120,187.44 is: 180,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,010.20 : 535,179.24 = 120,187.44 : x
  2. Step 2: Convert to fraction form
    357,010.20/535,179.24 = 120,187.44/x
  3. Step 3: Cross multiply
    357,010.20x = 535,179.24 × 120,187.44
  4. Step 4: Simplify right side
    357,010.20x = 64,321,822,796.75
  5. Step 5: Solve for x
    x = 64,321,822,796.75/357,010.20
  6. Step 6: Final answer
    x = 180,168.03

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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.