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Finding the Fourth Proportional to 160.84, 240.88 and 114.98

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Solution

The fourth proportional to 160.84, 240.88 and 114.98 is: 172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.84 : 240.88 = 114.98 : x
  2. Step 2: Convert to fraction form
    160.84/240.88 = 114.98/x
  3. Step 3: Cross multiply
    160.84x = 240.88 × 114.98
  4. Step 4: Simplify right side
    160.84x = 27,696.38
  5. Step 5: Solve for x
    x = 27,696.38/160.84
  6. Step 6: Final answer
    x = 172.20

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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.