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Finding the Fourth Proportional to 160.04, 220.84 and 101.84

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Solution

The fourth proportional to 160.04, 220.84 and 101.84 is: 140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.04 : 220.84 = 101.84 : x
  2. Step 2: Convert to fraction form
    160.04/220.84 = 101.84/x
  3. Step 3: Cross multiply
    160.04x = 220.84 × 101.84
  4. Step 4: Simplify right side
    160.04x = 22,490.35
  5. Step 5: Solve for x
    x = 22,490.35/160.04
  6. Step 6: Final answer
    x = 140.53

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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.