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Finding the Fourth Proportional to 240.48, 332 and 152.07

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Solution

The fourth proportional to 240.48, 332 and 152.07 is: 209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.48 : 332 = 152.07 : x
  2. Step 2: Convert to fraction form
    240.48/332 = 152.07/x
  3. Step 3: Cross multiply
    240.48x = 332 × 152.07
  4. Step 4: Simplify right side
    240.48x = 50,487.24
  5. Step 5: Solve for x
    x = 50,487.24/240.48
  6. Step 6: Final answer
    x = 209.95

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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.