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Finding the Fourth Proportional to 247,383.64, 370,780.21 and 135,092.13

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Solution

The fourth proportional to 247,383.64, 370,780.21 and 135,092.13 is: 202,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,383.64 : 370,780.21 = 135,092.13 : x
  2. Step 2: Convert to fraction form
    247,383.64/370,780.21 = 135,092.13/x
  3. Step 3: Cross multiply
    247,383.64x = 370,780.21 × 135,092.13
  4. Step 4: Simplify right side
    247,383.64x = 50,089,488,330.75
  5. Step 5: Solve for x
    x = 50,089,488,330.75/247,383.64
  6. Step 6: Final answer
    x = 202,476.96

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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.