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Finding the Fourth Proportional to 99,515.96, 149,325.80 and 44,099

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Solution

The fourth proportional to 99,515.96, 149,325.80 and 44,099 is: 66,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,515.96 : 149,325.80 = 44,099 : x
  2. Step 2: Convert to fraction form
    99,515.96/149,325.80 = 44,099/x
  3. Step 3: Cross multiply
    99,515.96x = 149,325.80 × 44,099
  4. Step 4: Simplify right side
    99,515.96x = 6,585,118,454.20
  5. Step 5: Solve for x
    x = 6,585,118,454.20/99,515.96
  6. Step 6: Final answer
    x = 66,171.48

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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.