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Finding the Fourth Proportional to 73,562, 110,343.28 and 18,158

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Solution

The fourth proportional to 73,562, 110,343.28 and 18,158 is: 27,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,562 : 110,343.28 = 18,158 : x
  2. Step 2: Convert to fraction form
    73,562/110,343.28 = 18,158/x
  3. Step 3: Cross multiply
    73,562x = 110,343.28 × 18,158
  4. Step 4: Simplify right side
    73,562x = 2,003,613,278.24
  5. Step 5: Solve for x
    x = 2,003,613,278.24/73,562
  6. Step 6: Final answer
    x = 27,237.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.