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Finding the Fourth Proportional to 254,441.70, 381,808.35 and 96,783.30

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Solution

The fourth proportional to 254,441.70, 381,808.35 and 96,783.30 is: 145,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,441.70 : 381,808.35 = 96,783.30 : x
  2. Step 2: Convert to fraction form
    254,441.70/381,808.35 = 96,783.30/x
  3. Step 3: Cross multiply
    254,441.70x = 381,808.35 × 96,783.30
  4. Step 4: Simplify right side
    254,441.70x = 36,952,672,080.56
  5. Step 5: Solve for x
    x = 36,952,672,080.56/254,441.70
  6. Step 6: Final answer
    x = 145,230.41

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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.