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Finding the Fourth Proportional to 73,718.04, 101,729.88 and 40,184.04

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Solution

The fourth proportional to 73,718.04, 101,729.88 and 40,184.04 is: 55,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,718.04 : 101,729.88 = 40,184.04 : x
  2. Step 2: Convert to fraction form
    73,718.04/101,729.88 = 40,184.04/x
  3. Step 3: Cross multiply
    73,718.04x = 101,729.88 × 40,184.04
  4. Step 4: Simplify right side
    73,718.04x = 4,087,917,567.12
  5. Step 5: Solve for x
    x = 4,087,917,567.12/73,718.04
  6. Step 6: Final answer
    x = 55,453.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.