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Finding the Fourth Proportional to 202.64, 279.48 and 183.44

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Solution

The fourth proportional to 202.64, 279.48 and 183.44 is: 253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.64 : 279.48 = 183.44 : x
  2. Step 2: Convert to fraction form
    202.64/279.48 = 183.44/x
  3. Step 3: Cross multiply
    202.64x = 279.48 × 183.44
  4. Step 4: Simplify right side
    202.64x = 51,267.81
  5. Step 5: Solve for x
    x = 51,267.81/202.64
  6. Step 6: Final answer
    x = 253.00

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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.