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Finding the Fourth Proportional to 73,730.40, 101,751.84 and 40,198.56

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Solution

The fourth proportional to 73,730.40, 101,751.84 and 40,198.56 is: 55,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,730.40 : 101,751.84 = 40,198.56 : x
  2. Step 2: Convert to fraction form
    73,730.40/101,751.84 = 40,198.56/x
  3. Step 3: Cross multiply
    73,730.40x = 101,751.84 × 40,198.56
  4. Step 4: Simplify right side
    73,730.40x = 4,090,277,445.35
  5. Step 5: Solve for x
    x = 4,090,277,445.35/73,730.40
  6. Step 6: Final answer
    x = 55,476.13

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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.