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Finding the Fourth Proportional to 73,253.57, 109,805.63 and 28,862.33

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Solution

The fourth proportional to 73,253.57, 109,805.63 and 28,862.33 is: 43,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.57 : 109,805.63 = 28,862.33 : x
  2. Step 2: Convert to fraction form
    73,253.57/109,805.63 = 28,862.33/x
  3. Step 3: Cross multiply
    73,253.57x = 109,805.63 × 28,862.33
  4. Step 4: Simplify right side
    73,253.57x = 3,169,245,635.58
  5. Step 5: Solve for x
    x = 3,169,245,635.58/73,253.57
  6. Step 6: Final answer
    x = 43,264.05

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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.