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Finding the Fourth Proportional to 195,607.92, 270,104.40 and 124,114.80

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Solution

The fourth proportional to 195,607.92, 270,104.40 and 124,114.80 is: 171,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,607.92 : 270,104.40 = 124,114.80 : x
  2. Step 2: Convert to fraction form
    195,607.92/270,104.40 = 124,114.80/x
  3. Step 3: Cross multiply
    195,607.92x = 270,104.40 × 124,114.80
  4. Step 4: Simplify right side
    195,607.92x = 33,523,953,585.12
  5. Step 5: Solve for x
    x = 33,523,953,585.12/195,607.92
  6. Step 6: Final answer
    x = 171,383.42

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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.