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Finding the Fourth Proportional to 123,177.44, 169,987.34 and 69,452.07

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Solution

The fourth proportional to 123,177.44, 169,987.34 and 69,452.07 is: 95,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,177.44 : 169,987.34 = 69,452.07 : x
  2. Step 2: Convert to fraction form
    123,177.44/169,987.34 = 69,452.07/x
  3. Step 3: Cross multiply
    123,177.44x = 169,987.34 × 69,452.07
  4. Step 4: Simplify right side
    123,177.44x = 11,805,972,172.97
  5. Step 5: Solve for x
    x = 11,805,972,172.97/123,177.44
  6. Step 6: Final answer
    x = 95,845.25

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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.