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Finding the Fourth Proportional to 468.21, 702.41 and 160.08

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Solution

The fourth proportional to 468.21, 702.41 and 160.08 is: 240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.21 : 702.41 = 160.08 : x
  2. Step 2: Convert to fraction form
    468.21/702.41 = 160.08/x
  3. Step 3: Cross multiply
    468.21x = 702.41 × 160.08
  4. Step 4: Simplify right side
    468.21x = 112,440.99
  5. Step 5: Solve for x
    x = 112,440.99/468.21
  6. Step 6: Final answer
    x = 240.15

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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.