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Finding the Fourth Proportional to 233,280.87, 349,937.06 and 79,344.18

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Solution

The fourth proportional to 233,280.87, 349,937.06 and 79,344.18 is: 119,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,280.87 : 349,937.06 = 79,344.18 : x
  2. Step 2: Convert to fraction form
    233,280.87/349,937.06 = 79,344.18/x
  3. Step 3: Cross multiply
    233,280.87x = 349,937.06 × 79,344.18
  4. Step 4: Simplify right side
    233,280.87x = 27,765,468,680.59
  5. Step 5: Solve for x
    x = 27,765,468,680.59/233,280.87
  6. Step 6: Final answer
    x = 119,021.63

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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.