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Finding the Fourth Proportional to 176.10, 264.07 and 130.74

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Solution

The fourth proportional to 176.10, 264.07 and 130.74 is: 196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.10 : 264.07 = 130.74 : x
  2. Step 2: Convert to fraction form
    176.10/264.07 = 130.74/x
  3. Step 3: Cross multiply
    176.10x = 264.07 × 130.74
  4. Step 4: Simplify right side
    176.10x = 34,524.51
  5. Step 5: Solve for x
    x = 34,524.51/176.10
  6. Step 6: Final answer
    x = 196.05

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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.