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Finding the Fourth Proportional to 174.13, 240.11 and 152.53

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Solution

The fourth proportional to 174.13, 240.11 and 152.53 is: 210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.13 : 240.11 = 152.53 : x
  2. Step 2: Convert to fraction form
    174.13/240.11 = 152.53/x
  3. Step 3: Cross multiply
    174.13x = 240.11 × 152.53
  4. Step 4: Simplify right side
    174.13x = 36,623.22
  5. Step 5: Solve for x
    x = 36,623.22/174.13
  6. Step 6: Final answer
    x = 210.32

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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.