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Finding the Fourth Proportional to 160.03, 220.76 and 94.50

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Solution

The fourth proportional to 160.03, 220.76 and 94.50 is: 130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.03 : 220.76 = 94.50 : x
  2. Step 2: Convert to fraction form
    160.03/220.76 = 94.50/x
  3. Step 3: Cross multiply
    160.03x = 220.76 × 94.50
  4. Step 4: Simplify right side
    160.03x = 20,862.61
  5. Step 5: Solve for x
    x = 20,862.61/160.03
  6. Step 6: Final answer
    x = 130.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.