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Finding the Fourth Proportional to 350.76, 526.06 and 107.32

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Solution

The fourth proportional to 350.76, 526.06 and 107.32 is: 160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.76 : 526.06 = 107.32 : x
  2. Step 2: Convert to fraction form
    350.76/526.06 = 107.32/x
  3. Step 3: Cross multiply
    350.76x = 526.06 × 107.32
  4. Step 4: Simplify right side
    350.76x = 56,456.76
  5. Step 5: Solve for x
    x = 56,456.76/350.76
  6. Step 6: Final answer
    x = 160.96

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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.