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Finding the Fourth Proportional to 269,994.21, 372,584.86 and 149,132.90

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Solution

The fourth proportional to 269,994.21, 372,584.86 and 149,132.90 is: 205,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,994.21 : 372,584.86 = 149,132.90 : x
  2. Step 2: Convert to fraction form
    269,994.21/372,584.86 = 149,132.90/x
  3. Step 3: Cross multiply
    269,994.21x = 372,584.86 × 149,132.90
  4. Step 4: Simplify right side
    269,994.21x = 55,564,659,969.61
  5. Step 5: Solve for x
    x = 55,564,659,969.61/269,994.21
  6. Step 6: Final answer
    x = 205,799.45

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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.