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Finding the Fourth Proportional to 79,263.52, 118,811.44 and 29,311.52

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Solution

The fourth proportional to 79,263.52, 118,811.44 and 29,311.52 is: 43,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.52 : 118,811.44 = 29,311.52 : x
  2. Step 2: Convert to fraction form
    79,263.52/118,811.44 = 29,311.52/x
  3. Step 3: Cross multiply
    79,263.52x = 118,811.44 × 29,311.52
  4. Step 4: Simplify right side
    79,263.52x = 3,482,543,899.79
  5. Step 5: Solve for x
    x = 3,482,543,899.79/79,263.52
  6. Step 6: Final answer
    x = 43,936.28

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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.