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Finding the Fourth Proportional to 154,462.40, 232,039.20 and 148,164.80

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Solution

The fourth proportional to 154,462.40, 232,039.20 and 148,164.80 is: 222,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,462.40 : 232,039.20 = 148,164.80 : x
  2. Step 2: Convert to fraction form
    154,462.40/232,039.20 = 148,164.80/x
  3. Step 3: Cross multiply
    154,462.40x = 232,039.20 × 148,164.80
  4. Step 4: Simplify right side
    154,462.40x = 34,380,041,660.16
  5. Step 5: Solve for x
    x = 34,380,041,660.16/154,462.40
  6. Step 6: Final answer
    x = 222,578.71

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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.