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Finding the Fourth Proportional to 123,069.77, 169,833.93 and 69,353.71

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Solution

The fourth proportional to 123,069.77, 169,833.93 and 69,353.71 is: 95,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069.77 : 169,833.93 = 69,353.71 : x
  2. Step 2: Convert to fraction form
    123,069.77/169,833.93 = 69,353.71/x
  3. Step 3: Cross multiply
    123,069.77x = 169,833.93 × 69,353.71
  4. Step 4: Simplify right side
    123,069.77x = 11,778,613,129.38
  5. Step 5: Solve for x
    x = 11,778,613,129.38/123,069.77
  6. Step 6: Final answer
    x = 95,706.79

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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.