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Finding the Fourth Proportional to 99,585.68, 149,401.72 and 44,186

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Solution

The fourth proportional to 99,585.68, 149,401.72 and 44,186 is: 66,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.68 : 149,401.72 = 44,186 : x
  2. Step 2: Convert to fraction form
    99,585.68/149,401.72 = 44,186/x
  3. Step 3: Cross multiply
    99,585.68x = 149,401.72 × 44,186
  4. Step 4: Simplify right side
    99,585.68x = 6,601,464,399.92
  5. Step 5: Solve for x
    x = 6,601,464,399.92/99,585.68
  6. Step 6: Final answer
    x = 66,289.29

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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.