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Finding the Fourth Proportional to 94.08, 141 and 70.08

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Solution

The fourth proportional to 94.08, 141 and 70.08 is: 105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.08 : 141 = 70.08 : x
  2. Step 2: Convert to fraction form
    94.08/141 = 70.08/x
  3. Step 3: Cross multiply
    94.08x = 141 × 70.08
  4. Step 4: Simplify right side
    94.08x = 9,881.28
  5. Step 5: Solve for x
    x = 9,881.28/94.08
  6. Step 6: Final answer
    x = 105.03

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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.