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Finding the Fourth Proportional to 146,073.44, 218,977.91 and 57,303.11

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Solution

The fourth proportional to 146,073.44, 218,977.91 and 57,303.11 is: 85,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,073.44 : 218,977.91 = 57,303.11 : x
  2. Step 2: Convert to fraction form
    146,073.44/218,977.91 = 57,303.11/x
  3. Step 3: Cross multiply
    146,073.44x = 218,977.91 × 57,303.11
  4. Step 4: Simplify right side
    146,073.44x = 12,548,113,882.90
  5. Step 5: Solve for x
    x = 12,548,113,882.90/146,073.44
  6. Step 6: Final answer
    x = 85,902.78

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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.