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Finding the Fourth Proportional to 92,323.28, 138,463.48 and 36,164.56

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Solution

The fourth proportional to 92,323.28, 138,463.48 and 36,164.56 is: 54,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,323.28 : 138,463.48 = 36,164.56 : x
  2. Step 2: Convert to fraction form
    92,323.28/138,463.48 = 36,164.56/x
  3. Step 3: Cross multiply
    92,323.28x = 138,463.48 × 36,164.56
  4. Step 4: Simplify right side
    92,323.28x = 5,007,470,830.27
  5. Step 5: Solve for x
    x = 5,007,470,830.27/92,323.28
  6. Step 6: Final answer
    x = 54,238.44

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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.