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Finding the Fourth Proportional to 176.17, 264.32 and 67.98

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Solution

The fourth proportional to 176.17, 264.32 and 67.98 is: 102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.17 : 264.32 = 67.98 : x
  2. Step 2: Convert to fraction form
    176.17/264.32 = 67.98/x
  3. Step 3: Cross multiply
    176.17x = 264.32 × 67.98
  4. Step 4: Simplify right side
    176.17x = 17,968.47
  5. Step 5: Solve for x
    x = 17,968.47/176.17
  6. Step 6: Final answer
    x = 102.00

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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.