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Finding the Fourth Proportional to 92,334.33, 138,435.87 and 47,369.25

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Solution

The fourth proportional to 92,334.33, 138,435.87 and 47,369.25 is: 71,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,334.33 : 138,435.87 = 47,369.25 : x
  2. Step 2: Convert to fraction form
    92,334.33/138,435.87 = 47,369.25/x
  3. Step 3: Cross multiply
    92,334.33x = 138,435.87 × 47,369.25
  4. Step 4: Simplify right side
    92,334.33x = 6,557,603,335.00
  5. Step 5: Solve for x
    x = 6,557,603,335.00/92,334.33
  6. Step 6: Final answer
    x = 71,020.21

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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.