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Finding the Fourth Proportional to 151,222.80, 226,834.20 and 72,490.80

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Solution

The fourth proportional to 151,222.80, 226,834.20 and 72,490.80 is: 108,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,222.80 : 226,834.20 = 72,490.80 : x
  2. Step 2: Convert to fraction form
    151,222.80/226,834.20 = 72,490.80/x
  3. Step 3: Cross multiply
    151,222.80x = 226,834.20 × 72,490.80
  4. Step 4: Simplify right side
    151,222.80x = 16,443,392,625.36
  5. Step 5: Solve for x
    x = 16,443,392,625.36/151,222.80
  6. Step 6: Final answer
    x = 108,736.20

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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.