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Finding the Fourth Proportional to 176, 242.97 and 110.57

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Solution

The fourth proportional to 176, 242.97 and 110.57 is: 152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176 : 242.97 = 110.57 : x
  2. Step 2: Convert to fraction form
    176/242.97 = 110.57/x
  3. Step 3: Cross multiply
    176x = 242.97 × 110.57
  4. Step 4: Simplify right side
    176x = 26,865.19
  5. Step 5: Solve for x
    x = 26,865.19/176
  6. Step 6: Final answer
    x = 152.64

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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.