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Finding the Fourth Proportional to 175.84, 263.76 and 100.32

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Solution

The fourth proportional to 175.84, 263.76 and 100.32 is: 150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.84 : 263.76 = 100.32 : x
  2. Step 2: Convert to fraction form
    175.84/263.76 = 100.32/x
  3. Step 3: Cross multiply
    175.84x = 263.76 × 100.32
  4. Step 4: Simplify right side
    175.84x = 26,460.40
  5. Step 5: Solve for x
    x = 26,460.40/175.84
  6. Step 6: Final answer
    x = 150.48

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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.