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Finding the Fourth Proportional to 179,224.60, 268,934.10 and 74,054.20

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Solution

The fourth proportional to 179,224.60, 268,934.10 and 74,054.20 is: 111,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,224.60 : 268,934.10 = 74,054.20 : x
  2. Step 2: Convert to fraction form
    179,224.60/268,934.10 = 74,054.20/x
  3. Step 3: Cross multiply
    179,224.60x = 268,934.10 × 74,054.20
  4. Step 4: Simplify right side
    179,224.60x = 19,915,699,628.22
  5. Step 5: Solve for x
    x = 19,915,699,628.22/179,224.60
  6. Step 6: Final answer
    x = 111,121.46

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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.