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Finding the Fourth Proportional to 79,340.40, 118,926.56 and 37,184.96

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Solution

The fourth proportional to 79,340.40, 118,926.56 and 37,184.96 is: 55,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340.40 : 118,926.56 = 37,184.96 : x
  2. Step 2: Convert to fraction form
    79,340.40/118,926.56 = 37,184.96/x
  3. Step 3: Cross multiply
    79,340.40x = 118,926.56 × 37,184.96
  4. Step 4: Simplify right side
    79,340.40x = 4,422,278,595.98
  5. Step 5: Solve for x
    x = 4,422,278,595.98/79,340.40
  6. Step 6: Final answer
    x = 55,738.04

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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.