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Finding the Fourth Proportional to 253.15, 348.84 and 183.08

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Solution

The fourth proportional to 253.15, 348.84 and 183.08 is: 252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.15 : 348.84 = 183.08 : x
  2. Step 2: Convert to fraction form
    253.15/348.84 = 183.08/x
  3. Step 3: Cross multiply
    253.15x = 348.84 × 183.08
  4. Step 4: Simplify right side
    253.15x = 63,864.71
  5. Step 5: Solve for x
    x = 63,864.71/253.15
  6. Step 6: Final answer
    x = 252.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.