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Finding the Fourth Proportional to 175.19, 262.91 and 93

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Solution

The fourth proportional to 175.19, 262.91 and 93 is: 139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.19 : 262.91 = 93 : x
  2. Step 2: Convert to fraction form
    175.19/262.91 = 93/x
  3. Step 3: Cross multiply
    175.19x = 262.91 × 93
  4. Step 4: Simplify right side
    175.19x = 24,450.17
  5. Step 5: Solve for x
    x = 24,450.17/175.19
  6. Step 6: Final answer
    x = 139.57

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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.