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Finding the Fourth Proportional to 151,314.20, 227,019.90 and 67,041.80

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Solution

The fourth proportional to 151,314.20, 227,019.90 and 67,041.80 is: 100,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,314.20 : 227,019.90 = 67,041.80 : x
  2. Step 2: Convert to fraction form
    151,314.20/227,019.90 = 67,041.80/x
  3. Step 3: Cross multiply
    151,314.20x = 227,019.90 × 67,041.80
  4. Step 4: Simplify right side
    151,314.20x = 15,219,822,731.82
  5. Step 5: Solve for x
    x = 15,219,822,731.82/151,314.20
  6. Step 6: Final answer
    x = 100,584.23

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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.