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Finding the Fourth Proportional to 101,444, 140,003.18 and 58,424.90

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Solution

The fourth proportional to 101,444, 140,003.18 and 58,424.90 is: 80,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,444 : 140,003.18 = 58,424.90 : x
  2. Step 2: Convert to fraction form
    101,444/140,003.18 = 58,424.90/x
  3. Step 3: Cross multiply
    101,444x = 140,003.18 × 58,424.90
  4. Step 4: Simplify right side
    101,444x = 8,179,671,791.18
  5. Step 5: Solve for x
    x = 8,179,671,791.18/101,444
  6. Step 6: Final answer
    x = 80,632.39

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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.