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Finding the Fourth Proportional to 195,882.96, 270,376.25 and 127,910.50

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Solution

The fourth proportional to 195,882.96, 270,376.25 and 127,910.50 is: 176,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,882.96 : 270,376.25 = 127,910.50 : x
  2. Step 2: Convert to fraction form
    195,882.96/270,376.25 = 127,910.50/x
  3. Step 3: Cross multiply
    195,882.96x = 270,376.25 × 127,910.50
  4. Step 4: Simplify right side
    195,882.96x = 34,583,961,325.63
  5. Step 5: Solve for x
    x = 34,583,961,325.63/195,882.96
  6. Step 6: Final answer
    x = 176,554.21

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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.