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Finding the Fourth Proportional to 175.02, 262.58 and 106.58

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Solution

The fourth proportional to 175.02, 262.58 and 106.58 is: 159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.02 : 262.58 = 106.58 : x
  2. Step 2: Convert to fraction form
    175.02/262.58 = 106.58/x
  3. Step 3: Cross multiply
    175.02x = 262.58 × 106.58
  4. Step 4: Simplify right side
    175.02x = 27,985.78
  5. Step 5: Solve for x
    x = 27,985.78/175.02
  6. Step 6: Final answer
    x = 159.90

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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.