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Finding the Fourth Proportional to 99,395.92, 149,093.90 and 29,275.24

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Solution

The fourth proportional to 99,395.92, 149,093.90 and 29,275.24 is: 43,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,395.92 : 149,093.90 = 29,275.24 : x
  2. Step 2: Convert to fraction form
    99,395.92/149,093.90 = 29,275.24/x
  3. Step 3: Cross multiply
    99,395.92x = 149,093.90 × 29,275.24
  4. Step 4: Simplify right side
    99,395.92x = 4,364,759,705.04
  5. Step 5: Solve for x
    x = 4,364,759,705.04/99,395.92
  6. Step 6: Final answer
    x = 43,912.87

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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.