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Finding the Fourth Proportional to 100,798.27, 151,231.42 and 44,630.71

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Solution

The fourth proportional to 100,798.27, 151,231.42 and 44,630.71 is: 66,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,798.27 : 151,231.42 = 44,630.71 : x
  2. Step 2: Convert to fraction form
    100,798.27/151,231.42 = 44,630.71/x
  3. Step 3: Cross multiply
    100,798.27x = 151,231.42 × 44,630.71
  4. Step 4: Simplify right side
    100,798.27x = 6,749,565,648.91
  5. Step 5: Solve for x
    x = 6,749,565,648.91/100,798.27
  6. Step 6: Final answer
    x = 66,961.13

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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.