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Finding the Fourth Proportional to 75,203.72, 103,778.04 and 44,971.22

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Solution

The fourth proportional to 75,203.72, 103,778.04 and 44,971.22 is: 62,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,203.72 : 103,778.04 = 44,971.22 : x
  2. Step 2: Convert to fraction form
    75,203.72/103,778.04 = 44,971.22/x
  3. Step 3: Cross multiply
    75,203.72x = 103,778.04 × 44,971.22
  4. Step 4: Simplify right side
    75,203.72x = 4,667,025,068.01
  5. Step 5: Solve for x
    x = 4,667,025,068.01/75,203.72
  6. Step 6: Final answer
    x = 62,058.43

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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.