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Finding the Fourth Proportional to 224.16, 336.20 and 70.04

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Solution

The fourth proportional to 224.16, 336.20 and 70.04 is: 105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.16 : 336.20 = 70.04 : x
  2. Step 2: Convert to fraction form
    224.16/336.20 = 70.04/x
  3. Step 3: Cross multiply
    224.16x = 336.20 × 70.04
  4. Step 4: Simplify right side
    224.16x = 23,547.45
  5. Step 5: Solve for x
    x = 23,547.45/224.16
  6. Step 6: Final answer
    x = 105.05

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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.