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Finding the Fourth Proportional to 92,500.85, 138,768.57 and 29,304

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Solution

The fourth proportional to 92,500.85, 138,768.57 and 29,304 is: 43,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,500.85 : 138,768.57 = 29,304 : x
  2. Step 2: Convert to fraction form
    92,500.85/138,768.57 = 29,304/x
  3. Step 3: Cross multiply
    92,500.85x = 138,768.57 × 29,304
  4. Step 4: Simplify right side
    92,500.85x = 4,066,474,175.28
  5. Step 5: Solve for x
    x = 4,066,474,175.28/92,500.85
  6. Step 6: Final answer
    x = 43,961.48

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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.