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Finding the Fourth Proportional to 83,284.76, 124,919.04 and 45,832.52

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Solution

The fourth proportional to 83,284.76, 124,919.04 and 45,832.52 is: 68,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,284.76 : 124,919.04 = 45,832.52 : x
  2. Step 2: Convert to fraction form
    83,284.76/124,919.04 = 45,832.52/x
  3. Step 3: Cross multiply
    83,284.76x = 124,919.04 × 45,832.52
  4. Step 4: Simplify right side
    83,284.76x = 5,725,354,399.18
  5. Step 5: Solve for x
    x = 5,725,354,399.18/83,284.76
  6. Step 6: Final answer
    x = 68,744.32

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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.