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Finding the Fourth Proportional to 294.98, 442.54 and 132.76

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Solution

The fourth proportional to 294.98, 442.54 and 132.76 is: 199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.98 : 442.54 = 132.76 : x
  2. Step 2: Convert to fraction form
    294.98/442.54 = 132.76/x
  3. Step 3: Cross multiply
    294.98x = 442.54 × 132.76
  4. Step 4: Simplify right side
    294.98x = 58,751.61
  5. Step 5: Solve for x
    x = 58,751.61/294.98
  6. Step 6: Final answer
    x = 199.17

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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.