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Finding the Fourth Proportional to 262.96, 362.88 and 144.93

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Solution

The fourth proportional to 262.96, 362.88 and 144.93 is: 200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.96 : 362.88 = 144.93 : x
  2. Step 2: Convert to fraction form
    262.96/362.88 = 144.93/x
  3. Step 3: Cross multiply
    262.96x = 362.88 × 144.93
  4. Step 4: Simplify right side
    262.96x = 52,592.59
  5. Step 5: Solve for x
    x = 52,592.59/262.96
  6. Step 6: Final answer
    x = 200.00

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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.