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Finding the Fourth Proportional to 150,875.80, 226,313.70 and 80,891.80

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Solution

The fourth proportional to 150,875.80, 226,313.70 and 80,891.80 is: 121,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,875.80 : 226,313.70 = 80,891.80 : x
  2. Step 2: Convert to fraction form
    150,875.80/226,313.70 = 80,891.80/x
  3. Step 3: Cross multiply
    150,875.80x = 226,313.70 × 80,891.80
  4. Step 4: Simplify right side
    150,875.80x = 18,306,922,557.66
  5. Step 5: Solve for x
    x = 18,306,922,557.66/150,875.80
  6. Step 6: Final answer
    x = 121,337.70

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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.