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Finding the Fourth Proportional to 195,110.88, 269,253.84 and 105,686.88

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Solution

The fourth proportional to 195,110.88, 269,253.84 and 105,686.88 is: 145,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,110.88 : 269,253.84 = 105,686.88 : x
  2. Step 2: Convert to fraction form
    195,110.88/269,253.84 = 105,686.88/x
  3. Step 3: Cross multiply
    195,110.88x = 269,253.84 × 105,686.88
  4. Step 4: Simplify right side
    195,110.88x = 28,456,598,277.62
  5. Step 5: Solve for x
    x = 28,456,598,277.62/195,110.88
  6. Step 6: Final answer
    x = 145,848.34

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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.