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Finding the Fourth Proportional to 104,956.74, 157,435.82 and 38,369.48

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Solution

The fourth proportional to 104,956.74, 157,435.82 and 38,369.48 is: 57,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.74 : 157,435.82 = 38,369.48 : x
  2. Step 2: Convert to fraction form
    104,956.74/157,435.82 = 38,369.48/x
  3. Step 3: Cross multiply
    104,956.74x = 157,435.82 × 38,369.48
  4. Step 4: Simplify right side
    104,956.74x = 6,040,730,249.11
  5. Step 5: Solve for x
    x = 6,040,730,249.11/104,956.74
  6. Step 6: Final answer
    x = 57,554.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.