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Finding the Fourth Proportional to 175.60, 262.60 and 156.46

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Solution

The fourth proportional to 175.60, 262.60 and 156.46 is: 233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.60 : 262.60 = 156.46 : x
  2. Step 2: Convert to fraction form
    175.60/262.60 = 156.46/x
  3. Step 3: Cross multiply
    175.60x = 262.60 × 156.46
  4. Step 4: Simplify right side
    175.60x = 41,086.40
  5. Step 5: Solve for x
    x = 41,086.40/175.60
  6. Step 6: Final answer
    x = 233.98

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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.