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Finding the Fourth Proportional to 179,627.60, 269,344.20 and 74,457.20

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Solution

The fourth proportional to 179,627.60, 269,344.20 and 74,457.20 is: 111,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,627.60 : 269,344.20 = 74,457.20 : x
  2. Step 2: Convert to fraction form
    179,627.60/269,344.20 = 74,457.20/x
  3. Step 3: Cross multiply
    179,627.60x = 269,344.20 × 74,457.20
  4. Step 4: Simplify right side
    179,627.60x = 20,054,614,968.24
  5. Step 5: Solve for x
    x = 20,054,614,968.24/179,627.60
  6. Step 6: Final answer
    x = 111,645.51

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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.