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Finding the Fourth Proportional to 123,067.65, 169,836.92 and 69,349.71

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Solution

The fourth proportional to 123,067.65, 169,836.92 and 69,349.71 is: 95,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,067.65 : 169,836.92 = 69,349.71 : x
  2. Step 2: Convert to fraction form
    123,067.65/169,836.92 = 69,349.71/x
  3. Step 3: Cross multiply
    123,067.65x = 169,836.92 × 69,349.71
  4. Step 4: Simplify right side
    123,067.65x = 11,778,140,802.54
  5. Step 5: Solve for x
    x = 11,778,140,802.54/123,067.65
  6. Step 6: Final answer
    x = 95,704.60

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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.