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Finding the Fourth Proportional to 88,676.78, 133,017.47 and 25,494.35

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Solution

The fourth proportional to 88,676.78, 133,017.47 and 25,494.35 is: 38,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.78 : 133,017.47 = 25,494.35 : x
  2. Step 2: Convert to fraction form
    88,676.78/133,017.47 = 25,494.35/x
  3. Step 3: Cross multiply
    88,676.78x = 133,017.47 × 25,494.35
  4. Step 4: Simplify right side
    88,676.78x = 3,391,193,936.29
  5. Step 5: Solve for x
    x = 3,391,193,936.29/88,676.78
  6. Step 6: Final answer
    x = 38,242.19

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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.