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Finding the Fourth Proportional to 176.64, 264.42 and 159.03

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Solution

The fourth proportional to 176.64, 264.42 and 159.03 is: 238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.64 : 264.42 = 159.03 : x
  2. Step 2: Convert to fraction form
    176.64/264.42 = 159.03/x
  3. Step 3: Cross multiply
    176.64x = 264.42 × 159.03
  4. Step 4: Simplify right side
    176.64x = 42,050.71
  5. Step 5: Solve for x
    x = 42,050.71/176.64
  6. Step 6: Final answer
    x = 238.06

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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.