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Finding the Fourth Proportional to 351.24, 526.88 and 94.76

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Solution

The fourth proportional to 351.24, 526.88 and 94.76 is: 142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.24 : 526.88 = 94.76 : x
  2. Step 2: Convert to fraction form
    351.24/526.88 = 94.76/x
  3. Step 3: Cross multiply
    351.24x = 526.88 × 94.76
  4. Step 4: Simplify right side
    351.24x = 49,927.15
  5. Step 5: Solve for x
    x = 49,927.15/351.24
  6. Step 6: Final answer
    x = 142.15

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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.