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Finding the Fourth Proportional to 175.13, 262.70 and 46.88

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Solution

The fourth proportional to 175.13, 262.70 and 46.88 is: 70.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.13 : 262.70 = 46.88 : x
  2. Step 2: Convert to fraction form
    175.13/262.70 = 46.88/x
  3. Step 3: Cross multiply
    175.13x = 262.70 × 46.88
  4. Step 4: Simplify right side
    175.13x = 12,313.83
  5. Step 5: Solve for x
    x = 12,313.83/175.13
  6. Step 6: Final answer
    x = 70.31

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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.