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Finding the Fourth Proportional to 73,216.62, 109,776.06 and 26,463.42

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Solution

The fourth proportional to 73,216.62, 109,776.06 and 26,463.42 is: 39,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,216.62 : 109,776.06 = 26,463.42 : x
  2. Step 2: Convert to fraction form
    73,216.62/109,776.06 = 26,463.42/x
  3. Step 3: Cross multiply
    73,216.62x = 109,776.06 × 26,463.42
  4. Step 4: Simplify right side
    73,216.62x = 2,905,049,981.73
  5. Step 5: Solve for x
    x = 2,905,049,981.73/73,216.62
  6. Step 6: Final answer
    x = 39,677.47

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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.