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Finding the Fourth Proportional to 73,937.30, 102,012.09 and 43,708.10

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Solution

The fourth proportional to 73,937.30, 102,012.09 and 43,708.10 is: 60,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,937.30 : 102,012.09 = 43,708.10 : x
  2. Step 2: Convert to fraction form
    73,937.30/102,012.09 = 43,708.10/x
  3. Step 3: Cross multiply
    73,937.30x = 102,012.09 × 43,708.10
  4. Step 4: Simplify right side
    73,937.30x = 4,458,754,630.93
  5. Step 5: Solve for x
    x = 4,458,754,630.93/73,937.30
  6. Step 6: Final answer
    x = 60,304.54

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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.