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Finding the Fourth Proportional to 160.36, 240.48 and 64.14

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Solution

The fourth proportional to 160.36, 240.48 and 64.14 is: 96.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.36 : 240.48 = 64.14 : x
  2. Step 2: Convert to fraction form
    160.36/240.48 = 64.14/x
  3. Step 3: Cross multiply
    160.36x = 240.48 × 64.14
  4. Step 4: Simplify right side
    160.36x = 15,424.39
  5. Step 5: Solve for x
    x = 15,424.39/160.36
  6. Step 6: Final answer
    x = 96.19

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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.