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Finding the Fourth Proportional to 94.34, 141.57 and 46.25

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Solution

The fourth proportional to 94.34, 141.57 and 46.25 is: 69.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.34 : 141.57 = 46.25 : x
  2. Step 2: Convert to fraction form
    94.34/141.57 = 46.25/x
  3. Step 3: Cross multiply
    94.34x = 141.57 × 46.25
  4. Step 4: Simplify right side
    94.34x = 6,547.61
  5. Step 5: Solve for x
    x = 6,547.61/94.34
  6. Step 6: Final answer
    x = 69.40

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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.