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Finding the Fourth Proportional to 195,613.42, 270,112 and 124,120.30

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Solution

The fourth proportional to 195,613.42, 270,112 and 124,120.30 is: 171,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613.42 : 270,112 = 124,120.30 : x
  2. Step 2: Convert to fraction form
    195,613.42/270,112 = 124,120.30/x
  3. Step 3: Cross multiply
    195,613.42x = 270,112 × 124,120.30
  4. Step 4: Simplify right side
    195,613.42x = 33,526,382,473.60
  5. Step 5: Solve for x
    x = 33,526,382,473.60/195,613.42
  6. Step 6: Final answer
    x = 171,391.01

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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.