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Finding the Fourth Proportional to 292.02, 437.76 and 109.37

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Solution

The fourth proportional to 292.02, 437.76 and 109.37 is: 163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 437.76 = 109.37 : x
  2. Step 2: Convert to fraction form
    292.02/437.76 = 109.37/x
  3. Step 3: Cross multiply
    292.02x = 437.76 × 109.37
  4. Step 4: Simplify right side
    292.02x = 47,875.62
  5. Step 5: Solve for x
    x = 47,875.62/292.02
  6. Step 6: Final answer
    x = 163.95

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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.