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Finding the Fourth Proportional to 292.71, 438.95 and 110

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Solution

The fourth proportional to 292.71, 438.95 and 110 is: 164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.71 : 438.95 = 110 : x
  2. Step 2: Convert to fraction form
    292.71/438.95 = 110/x
  3. Step 3: Cross multiply
    292.71x = 438.95 × 110
  4. Step 4: Simplify right side
    292.71x = 48,284.50
  5. Step 5: Solve for x
    x = 48,284.50/292.71
  6. Step 6: Final answer
    x = 164.96

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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.