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Finding the Fourth Proportional to 193,824.40, 290,866.20 and 88,589.20

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Solution

The fourth proportional to 193,824.40, 290,866.20 and 88,589.20 is: 132,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,824.40 : 290,866.20 = 88,589.20 : x
  2. Step 2: Convert to fraction form
    193,824.40/290,866.20 = 88,589.20/x
  3. Step 3: Cross multiply
    193,824.40x = 290,866.20 × 88,589.20
  4. Step 4: Simplify right side
    193,824.40x = 25,767,603,965.04
  5. Step 5: Solve for x
    x = 25,767,603,965.04/193,824.40
  6. Step 6: Final answer
    x = 132,943.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.