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Finding the Fourth Proportional to 292.01, 437.74 and 109.28

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Solution

The fourth proportional to 292.01, 437.74 and 109.28 is: 163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.01 : 437.74 = 109.28 : x
  2. Step 2: Convert to fraction form
    292.01/437.74 = 109.28/x
  3. Step 3: Cross multiply
    292.01x = 437.74 × 109.28
  4. Step 4: Simplify right side
    292.01x = 47,837.05
  5. Step 5: Solve for x
    x = 47,837.05/292.01
  6. Step 6: Final answer
    x = 163.82

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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.