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Finding the Fourth Proportional to 79,132.32, 118,723.44 and 34,796.40

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Solution

The fourth proportional to 79,132.32, 118,723.44 and 34,796.40 is: 52,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.32 : 118,723.44 = 34,796.40 : x
  2. Step 2: Convert to fraction form
    79,132.32/118,723.44 = 34,796.40/x
  3. Step 3: Cross multiply
    79,132.32x = 118,723.44 × 34,796.40
  4. Step 4: Simplify right side
    79,132.32x = 4,131,148,307.62
  5. Step 5: Solve for x
    x = 4,131,148,307.62/79,132.32
  6. Step 6: Final answer
    x = 52,205.58

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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.