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Finding the Fourth Proportional to 176.51, 264.02 and 157

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Solution

The fourth proportional to 176.51, 264.02 and 157 is: 234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.51 : 264.02 = 157 : x
  2. Step 2: Convert to fraction form
    176.51/264.02 = 157/x
  3. Step 3: Cross multiply
    176.51x = 264.02 × 157
  4. Step 4: Simplify right side
    176.51x = 41,451.14
  5. Step 5: Solve for x
    x = 41,451.14/176.51
  6. Step 6: Final answer
    x = 234.84

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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.