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Finding the Fourth Proportional to 73,886.36, 101,965.61 and 40,352.36

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Solution

The fourth proportional to 73,886.36, 101,965.61 and 40,352.36 is: 55,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.36 : 101,965.61 = 40,352.36 : x
  2. Step 2: Convert to fraction form
    73,886.36/101,965.61 = 40,352.36/x
  3. Step 3: Cross multiply
    73,886.36x = 101,965.61 × 40,352.36
  4. Step 4: Simplify right side
    73,886.36x = 4,114,552,593.39
  5. Step 5: Solve for x
    x = 4,114,552,593.39/73,886.36
  6. Step 6: Final answer
    x = 55,687.58

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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.