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Finding the Fourth Proportional to 160.93, 241.47 and 117.64

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Solution

The fourth proportional to 160.93, 241.47 and 117.64 is: 176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.93 : 241.47 = 117.64 : x
  2. Step 2: Convert to fraction form
    160.93/241.47 = 117.64/x
  3. Step 3: Cross multiply
    160.93x = 241.47 × 117.64
  4. Step 4: Simplify right side
    160.93x = 28,406.53
  5. Step 5: Solve for x
    x = 28,406.53/160.93
  6. Step 6: Final answer
    x = 176.51

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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.