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Finding the Fourth Proportional to 99,469.61, 149,199.63 and 24,589.46

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Solution

The fourth proportional to 99,469.61, 149,199.63 and 24,589.46 is: 36,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,469.61 : 149,199.63 = 24,589.46 : x
  2. Step 2: Convert to fraction form
    99,469.61/149,199.63 = 24,589.46/x
  3. Step 3: Cross multiply
    99,469.61x = 149,199.63 × 24,589.46
  4. Step 4: Simplify right side
    99,469.61x = 3,668,738,706.90
  5. Step 5: Solve for x
    x = 3,668,738,706.90/99,469.61
  6. Step 6: Final answer
    x = 36,883.01

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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.