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Finding the Fourth Proportional to 79,926.50, 119,889.84 and 24,522.50

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Solution

The fourth proportional to 79,926.50, 119,889.84 and 24,522.50 is: 36,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,926.50 : 119,889.84 = 24,522.50 : x
  2. Step 2: Convert to fraction form
    79,926.50/119,889.84 = 24,522.50/x
  3. Step 3: Cross multiply
    79,926.50x = 119,889.84 × 24,522.50
  4. Step 4: Simplify right side
    79,926.50x = 2,939,998,601.40
  5. Step 5: Solve for x
    x = 2,939,998,601.40/79,926.50
  6. Step 6: Final answer
    x = 36,783.78

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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.