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Finding the Fourth Proportional to 240.07, 359.79 and 124.24

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Solution

The fourth proportional to 240.07, 359.79 and 124.24 is: 186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.07 : 359.79 = 124.24 : x
  2. Step 2: Convert to fraction form
    240.07/359.79 = 124.24/x
  3. Step 3: Cross multiply
    240.07x = 359.79 × 124.24
  4. Step 4: Simplify right side
    240.07x = 44,700.31
  5. Step 5: Solve for x
    x = 44,700.31/240.07
  6. Step 6: Final answer
    x = 186.20

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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.