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Finding the Fourth Proportional to 253,381.32, 380,173.50 and 95,654.52

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Solution

The fourth proportional to 253,381.32, 380,173.50 and 95,654.52 is: 143,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,381.32 : 380,173.50 = 95,654.52 : x
  2. Step 2: Convert to fraction form
    253,381.32/380,173.50 = 95,654.52/x
  3. Step 3: Cross multiply
    253,381.32x = 380,173.50 × 95,654.52
  4. Step 4: Simplify right side
    253,381.32x = 36,365,313,659.22
  5. Step 5: Solve for x
    x = 36,365,313,659.22/253,381.32
  6. Step 6: Final answer
    x = 143,520.11

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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.