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Finding the Fourth Proportional to 151,479.80, 227,219.70 and 109,270.70

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Solution

The fourth proportional to 151,479.80, 227,219.70 and 109,270.70 is: 163,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,479.80 : 227,219.70 = 109,270.70 : x
  2. Step 2: Convert to fraction form
    151,479.80/227,219.70 = 109,270.70/x
  3. Step 3: Cross multiply
    151,479.80x = 227,219.70 × 109,270.70
  4. Step 4: Simplify right side
    151,479.80x = 24,828,455,672.79
  5. Step 5: Solve for x
    x = 24,828,455,672.79/151,479.80
  6. Step 6: Final answer
    x = 163,906.05

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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.