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Finding the Fourth Proportional to 92,663.43, 138,942.47 and 36,473.07

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Solution

The fourth proportional to 92,663.43, 138,942.47 and 36,473.07 is: 54,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,663.43 : 138,942.47 = 36,473.07 : x
  2. Step 2: Convert to fraction form
    92,663.43/138,942.47 = 36,473.07/x
  3. Step 3: Cross multiply
    92,663.43x = 138,942.47 × 36,473.07
  4. Step 4: Simplify right side
    92,663.43x = 5,067,658,434.28
  5. Step 5: Solve for x
    x = 5,067,658,434.28/92,663.43
  6. Step 6: Final answer
    x = 54,688.87

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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.