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Finding the Fourth Proportional to 175, 262.52 and 46.75

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Solution

The fourth proportional to 175, 262.52 and 46.75 is: 70.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175 : 262.52 = 46.75 : x
  2. Step 2: Convert to fraction form
    175/262.52 = 46.75/x
  3. Step 3: Cross multiply
    175x = 262.52 × 46.75
  4. Step 4: Simplify right side
    175x = 12,272.58
  5. Step 5: Solve for x
    x = 12,272.58/175
  6. Step 6: Final answer
    x = 70.13

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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.