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Finding the Fourth Proportional to 73,718.28, 110,566.53 and 36,268.29

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Solution

The fourth proportional to 73,718.28, 110,566.53 and 36,268.29 is: 54,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,718.28 : 110,566.53 = 36,268.29 : x
  2. Step 2: Convert to fraction form
    73,718.28/110,566.53 = 36,268.29/x
  3. Step 3: Cross multiply
    73,718.28x = 110,566.53 × 36,268.29
  4. Step 4: Simplify right side
    73,718.28x = 4,010,058,974.33
  5. Step 5: Solve for x
    x = 4,010,058,974.33/73,718.28
  6. Step 6: Final answer
    x = 54,397.08

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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.