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Finding the Fourth Proportional to 293.95, 441.12 and 157.06

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Solution

The fourth proportional to 293.95, 441.12 and 157.06 is: 235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.95 : 441.12 = 157.06 : x
  2. Step 2: Convert to fraction form
    293.95/441.12 = 157.06/x
  3. Step 3: Cross multiply
    293.95x = 441.12 × 157.06
  4. Step 4: Simplify right side
    293.95x = 69,280.10
  5. Step 5: Solve for x
    x = 69,280.10/293.95
  6. Step 6: Final answer
    x = 235.69

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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.