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Finding the Fourth Proportional to 83,220.28, 124,919.27 and 35,858.75

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Solution

The fourth proportional to 83,220.28, 124,919.27 and 35,858.75 is: 53,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.28 : 124,919.27 = 35,858.75 : x
  2. Step 2: Convert to fraction form
    83,220.28/124,919.27 = 35,858.75/x
  3. Step 3: Cross multiply
    83,220.28x = 124,919.27 × 35,858.75
  4. Step 4: Simplify right side
    83,220.28x = 4,479,448,310.33
  5. Step 5: Solve for x
    x = 4,479,448,310.33/83,220.28
  6. Step 6: Final answer
    x = 53,826.40

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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.