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Finding the Fourth Proportional to 360,720.12, 541,169.22 and 111,402.12

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Solution

The fourth proportional to 360,720.12, 541,169.22 and 111,402.12 is: 167,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,720.12 : 541,169.22 = 111,402.12 : x
  2. Step 2: Convert to fraction form
    360,720.12/541,169.22 = 111,402.12/x
  3. Step 3: Cross multiply
    360,720.12x = 541,169.22 × 111,402.12
  4. Step 4: Simplify right side
    360,720.12x = 60,287,398,386.75
  5. Step 5: Solve for x
    x = 60,287,398,386.75/360,720.12
  6. Step 6: Final answer
    x = 167,130.68

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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.