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Finding the Fourth Proportional to 79,329.52, 118,917.78 and 29,396.08

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Solution

The fourth proportional to 79,329.52, 118,917.78 and 29,396.08 is: 44,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.52 : 118,917.78 = 29,396.08 : x
  2. Step 2: Convert to fraction form
    79,329.52/118,917.78 = 29,396.08/x
  3. Step 3: Cross multiply
    79,329.52x = 118,917.78 × 29,396.08
  4. Step 4: Simplify right side
    79,329.52x = 3,495,716,574.30
  5. Step 5: Solve for x
    x = 3,495,716,574.30/79,329.52
  6. Step 6: Final answer
    x = 44,065.77

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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.