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Finding the Fourth Proportional to 146,113.20, 219,169.80 and 52,606.80

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Solution

The fourth proportional to 146,113.20, 219,169.80 and 52,606.80 is: 78,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,113.20 : 219,169.80 = 52,606.80 : x
  2. Step 2: Convert to fraction form
    146,113.20/219,169.80 = 52,606.80/x
  3. Step 3: Cross multiply
    146,113.20x = 219,169.80 × 52,606.80
  4. Step 4: Simplify right side
    146,113.20x = 11,529,821,834.64
  5. Step 5: Solve for x
    x = 11,529,821,834.64/146,113.20
  6. Step 6: Final answer
    x = 78,910.20

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1.5x scale

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.