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Finding the Fourth Proportional to 174.11, 261.63 and 93.01

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Solution

The fourth proportional to 174.11, 261.63 and 93.01 is: 139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.11 : 261.63 = 93.01 : x
  2. Step 2: Convert to fraction form
    174.11/261.63 = 93.01/x
  3. Step 3: Cross multiply
    174.11x = 261.63 × 93.01
  4. Step 4: Simplify right side
    174.11x = 24,332.90
  5. Step 5: Solve for x
    x = 24,332.90/174.11
  6. Step 6: Final answer
    x = 139.76

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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.