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Finding the Fourth Proportional to 367,219.61, 550,777.56 and 117,869.21

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Solution

The fourth proportional to 367,219.61, 550,777.56 and 117,869.21 is: 176,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,219.61 : 550,777.56 = 117,869.21 : x
  2. Step 2: Convert to fraction form
    367,219.61/550,777.56 = 117,869.21/x
  3. Step 3: Cross multiply
    367,219.61x = 550,777.56 × 117,869.21
  4. Step 4: Simplify right side
    367,219.61x = 64,919,715,882.93
  5. Step 5: Solve for x
    x = 64,919,715,882.93/367,219.61
  6. Step 6: Final answer
    x = 176,787.17

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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.