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Finding the Fourth Proportional to 92,482.85, 138,691.44 and 33,302.63

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Solution

The fourth proportional to 92,482.85, 138,691.44 and 33,302.63 is: 49,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,482.85 : 138,691.44 = 33,302.63 : x
  2. Step 2: Convert to fraction form
    92,482.85/138,691.44 = 33,302.63/x
  3. Step 3: Cross multiply
    92,482.85x = 138,691.44 × 33,302.63
  4. Step 4: Simplify right side
    92,482.85x = 4,618,789,017.03
  5. Step 5: Solve for x
    x = 4,618,789,017.03/92,482.85
  6. Step 6: Final answer
    x = 49,942.12

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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.