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Finding the Fourth Proportional to 146,302.60, 219,453.90 and 52,811.40

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Solution

The fourth proportional to 146,302.60, 219,453.90 and 52,811.40 is: 79,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,302.60 : 219,453.90 = 52,811.40 : x
  2. Step 2: Convert to fraction form
    146,302.60/219,453.90 = 52,811.40/x
  3. Step 3: Cross multiply
    146,302.60x = 219,453.90 × 52,811.40
  4. Step 4: Simplify right side
    146,302.60x = 11,589,667,694.46
  5. Step 5: Solve for x
    x = 11,589,667,694.46/146,302.60
  6. Step 6: Final answer
    x = 79,217.10

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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.