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Finding the Fourth Proportional to 233,843.12, 350,767.92 and 76,072.40

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Solution

The fourth proportional to 233,843.12, 350,767.92 and 76,072.40 is: 114,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,843.12 : 350,767.92 = 76,072.40 : x
  2. Step 2: Convert to fraction form
    233,843.12/350,767.92 = 76,072.40/x
  3. Step 3: Cross multiply
    233,843.12x = 350,767.92 × 76,072.40
  4. Step 4: Simplify right side
    233,843.12x = 26,683,757,517.41
  5. Step 5: Solve for x
    x = 26,683,757,517.41/233,843.12
  6. Step 6: Final answer
    x = 114,109.65

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1.5x scale

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.