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Finding the Fourth Proportional to 73,862.98, 101,918.88 and 43,644.10

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Solution

The fourth proportional to 73,862.98, 101,918.88 and 43,644.10 is: 60,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.98 : 101,918.88 = 43,644.10 : x
  2. Step 2: Convert to fraction form
    73,862.98/101,918.88 = 43,644.10/x
  3. Step 3: Cross multiply
    73,862.98x = 101,918.88 × 43,644.10
  4. Step 4: Simplify right side
    73,862.98x = 4,448,157,790.61
  5. Step 5: Solve for x
    x = 4,448,157,790.61/73,862.98
  6. Step 6: Final answer
    x = 60,221.75

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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.