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Finding the Fourth Proportional to 176.42, 263.10 and 150.91

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Solution

The fourth proportional to 176.42, 263.10 and 150.91 is: 225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.42 : 263.10 = 150.91 : x
  2. Step 2: Convert to fraction form
    176.42/263.10 = 150.91/x
  3. Step 3: Cross multiply
    176.42x = 263.10 × 150.91
  4. Step 4: Simplify right side
    176.42x = 39,703.11
  5. Step 5: Solve for x
    x = 39,703.11/176.42
  6. Step 6: Final answer
    x = 225.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.