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Finding the Fourth Proportional to 75,249.18, 103,848.11 and 44,640.39

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Solution

The fourth proportional to 75,249.18, 103,848.11 and 44,640.39 is: 61,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.18 : 103,848.11 = 44,640.39 : x
  2. Step 2: Convert to fraction form
    75,249.18/103,848.11 = 44,640.39/x
  3. Step 3: Cross multiply
    75,249.18x = 103,848.11 × 44,640.39
  4. Step 4: Simplify right side
    75,249.18x = 4,635,820,131.16
  5. Step 5: Solve for x
    x = 4,635,820,131.16/75,249.18
  6. Step 6: Final answer
    x = 61,606.25

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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.