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Finding the Fourth Proportional to 195,551.67, 269,865.13 and 127,612.11

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Solution

The fourth proportional to 195,551.67, 269,865.13 and 127,612.11 is: 176,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,551.67 : 269,865.13 = 127,612.11 : x
  2. Step 2: Convert to fraction form
    195,551.67/269,865.13 = 127,612.11/x
  3. Step 3: Cross multiply
    195,551.67x = 269,865.13 × 127,612.11
  4. Step 4: Simplify right side
    195,551.67x = 34,438,058,654.72
  5. Step 5: Solve for x
    x = 34,438,058,654.72/195,551.67
  6. Step 6: Final answer
    x = 176,107.21

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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.