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Finding the Fourth Proportional to 154,575.84, 214,405.99 and 150,478.86

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Solution

The fourth proportional to 154,575.84, 214,405.99 and 150,478.86 is: 208,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,575.84 : 214,405.99 = 150,478.86 : x
  2. Step 2: Convert to fraction form
    154,575.84/214,405.99 = 150,478.86/x
  3. Step 3: Cross multiply
    154,575.84x = 214,405.99 × 150,478.86
  4. Step 4: Simplify right side
    154,575.84x = 32,263,568,952.37
  5. Step 5: Solve for x
    x = 32,263,568,952.37/154,575.84
  6. Step 6: Final answer
    x = 208,723.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.