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Finding the Fourth Proportional to 79,851.96, 119,798.46 and 29,932.74

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Solution

The fourth proportional to 79,851.96, 119,798.46 and 29,932.74 is: 44,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,851.96 : 119,798.46 = 29,932.74 : x
  2. Step 2: Convert to fraction form
    79,851.96/119,798.46 = 29,932.74/x
  3. Step 3: Cross multiply
    79,851.96x = 119,798.46 × 29,932.74
  4. Step 4: Simplify right side
    79,851.96x = 3,585,896,155.58
  5. Step 5: Solve for x
    x = 3,585,896,155.58/79,851.96
  6. Step 6: Final answer
    x = 44,906.80

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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.