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Finding the Fourth Proportional to 79,574.40, 119,354.88 and 37,444.56

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Solution

The fourth proportional to 79,574.40, 119,354.88 and 37,444.56 is: 56,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,574.40 : 119,354.88 = 37,444.56 : x
  2. Step 2: Convert to fraction form
    79,574.40/119,354.88 = 37,444.56/x
  3. Step 3: Cross multiply
    79,574.40x = 119,354.88 × 37,444.56
  4. Step 4: Simplify right side
    79,574.40x = 4,469,190,965.45
  5. Step 5: Solve for x
    x = 4,469,190,965.45/79,574.40
  6. Step 6: Final answer
    x = 56,163.68

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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.