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Finding the Fourth Proportional to 179,937.60, 270,003.60 and 74,767.20

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Solution

The fourth proportional to 179,937.60, 270,003.60 and 74,767.20 is: 112,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,937.60 : 270,003.60 = 74,767.20 : x
  2. Step 2: Convert to fraction form
    179,937.60/270,003.60 = 74,767.20/x
  3. Step 3: Cross multiply
    179,937.60x = 270,003.60 × 74,767.20
  4. Step 4: Simplify right side
    179,937.60x = 20,187,413,161.92
  5. Step 5: Solve for x
    x = 20,187,413,161.92/179,937.60
  6. Step 6: Final answer
    x = 112,191.19

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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.