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Finding the Fourth Proportional to 175.10, 260.90 and 155.94

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Solution

The fourth proportional to 175.10, 260.90 and 155.94 is: 232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.10 : 260.90 = 155.94 : x
  2. Step 2: Convert to fraction form
    175.10/260.90 = 155.94/x
  3. Step 3: Cross multiply
    175.10x = 260.90 × 155.94
  4. Step 4: Simplify right side
    175.10x = 40,684.75
  5. Step 5: Solve for x
    x = 40,684.75/175.10
  6. Step 6: Final answer
    x = 232.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.