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Finding the Fourth Proportional to 250.43, 345.56 and 152.24

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Solution

The fourth proportional to 250.43, 345.56 and 152.24 is: 210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.43 : 345.56 = 152.24 : x
  2. Step 2: Convert to fraction form
    250.43/345.56 = 152.24/x
  3. Step 3: Cross multiply
    250.43x = 345.56 × 152.24
  4. Step 4: Simplify right side
    250.43x = 52,605.57
  5. Step 5: Solve for x
    x = 52,605.57/250.43
  6. Step 6: Final answer
    x = 210.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.