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Finding the Fourth Proportional to 233,439.70, 350,268.90 and 115,046.45

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Solution

The fourth proportional to 233,439.70, 350,268.90 and 115,046.45 is: 172,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,439.70 : 350,268.90 = 115,046.45 : x
  2. Step 2: Convert to fraction form
    233,439.70/350,268.90 = 115,046.45/x
  3. Step 3: Cross multiply
    233,439.70x = 350,268.90 × 115,046.45
  4. Step 4: Simplify right side
    233,439.70x = 40,297,193,934.65
  5. Step 5: Solve for x
    x = 40,297,193,934.65/233,439.70
  6. Step 6: Final answer
    x = 172,623.57

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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.