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Finding the Fourth Proportional to 160.04, 239.58 and 144.04

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Solution

The fourth proportional to 160.04, 239.58 and 144.04 is: 215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.04 : 239.58 = 144.04 : x
  2. Step 2: Convert to fraction form
    160.04/239.58 = 144.04/x
  3. Step 3: Cross multiply
    160.04x = 239.58 × 144.04
  4. Step 4: Simplify right side
    160.04x = 34,509.10
  5. Step 5: Solve for x
    x = 34,509.10/160.04
  6. Step 6: Final answer
    x = 215.63

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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.