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Finding the Fourth Proportional to 73,851.18, 101,914.11 and 40,317.18

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Solution

The fourth proportional to 73,851.18, 101,914.11 and 40,317.18 is: 55,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,851.18 : 101,914.11 = 40,317.18 : x
  2. Step 2: Convert to fraction form
    73,851.18/101,914.11 = 40,317.18/x
  3. Step 3: Cross multiply
    73,851.18x = 101,914.11 × 40,317.18
  4. Step 4: Simplify right side
    73,851.18x = 4,108,889,517.41
  5. Step 5: Solve for x
    x = 4,108,889,517.41/73,851.18
  6. Step 6: Final answer
    x = 55,637.43

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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.