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Finding the Fourth Proportional to 169.02, 253.77 and 96.93

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Solution

The fourth proportional to 169.02, 253.77 and 96.93 is: 145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.02 : 253.77 = 96.93 : x
  2. Step 2: Convert to fraction form
    169.02/253.77 = 96.93/x
  3. Step 3: Cross multiply
    169.02x = 253.77 × 96.93
  4. Step 4: Simplify right side
    169.02x = 24,597.93
  5. Step 5: Solve for x
    x = 24,597.93/169.02
  6. Step 6: Final answer
    x = 145.53

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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.