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Finding the Fourth Proportional to 230,404.97, 317,965.60 and 134,902.73

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Solution

The fourth proportional to 230,404.97, 317,965.60 and 134,902.73 is: 186,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,404.97 : 317,965.60 = 134,902.73 : x
  2. Step 2: Convert to fraction form
    230,404.97/317,965.60 = 134,902.73/x
  3. Step 3: Cross multiply
    230,404.97x = 317,965.60 × 134,902.73
  4. Step 4: Simplify right side
    230,404.97x = 42,894,428,449.63
  5. Step 5: Solve for x
    x = 42,894,428,449.63/230,404.97
  6. Step 6: Final answer
    x = 186,169.72

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1.5x scale

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.