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Finding the Fourth Proportional to 223,144.80, 307,836.60 and 132,449.10

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Solution

The fourth proportional to 223,144.80, 307,836.60 and 132,449.10 is: 182,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,144.80 : 307,836.60 = 132,449.10 : x
  2. Step 2: Convert to fraction form
    223,144.80/307,836.60 = 132,449.10/x
  3. Step 3: Cross multiply
    223,144.80x = 307,836.60 × 132,449.10
  4. Step 4: Simplify right side
    223,144.80x = 40,772,680,617.06
  5. Step 5: Solve for x
    x = 40,772,680,617.06/223,144.80
  6. Step 6: Final answer
    x = 182,718.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.