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Finding the Fourth Proportional to 349.52, 524.22 and 106.06

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Solution

The fourth proportional to 349.52, 524.22 and 106.06 is: 159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.52 : 524.22 = 106.06 : x
  2. Step 2: Convert to fraction form
    349.52/524.22 = 106.06/x
  3. Step 3: Cross multiply
    349.52x = 524.22 × 106.06
  4. Step 4: Simplify right side
    349.52x = 55,598.77
  5. Step 5: Solve for x
    x = 55,598.77/349.52
  6. Step 6: Final answer
    x = 159.07

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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.