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Finding the Fourth Proportional to 270,624.40, 373,611.80 and 163,221.52

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Solution

The fourth proportional to 270,624.40, 373,611.80 and 163,221.52 is: 225,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,624.40 : 373,611.80 = 163,221.52 : x
  2. Step 2: Convert to fraction form
    270,624.40/373,611.80 = 163,221.52/x
  3. Step 3: Cross multiply
    270,624.40x = 373,611.80 × 163,221.52
  4. Step 4: Simplify right side
    270,624.40x = 60,981,485,885.94
  5. Step 5: Solve for x
    x = 60,981,485,885.94/270,624.40
  6. Step 6: Final answer
    x = 225,336.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.