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Finding the Fourth Proportional to 160.04, 220.83 and 116.39

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Solution

The fourth proportional to 160.04, 220.83 and 116.39 is: 160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.04 : 220.83 = 116.39 : x
  2. Step 2: Convert to fraction form
    160.04/220.83 = 116.39/x
  3. Step 3: Cross multiply
    160.04x = 220.83 × 116.39
  4. Step 4: Simplify right side
    160.04x = 25,702.40
  5. Step 5: Solve for x
    x = 25,702.40/160.04
  6. Step 6: Final answer
    x = 160.60

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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.