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Finding the Fourth Proportional to 79,007.60, 118,468.20 and 32,207.60

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Solution

The fourth proportional to 79,007.60, 118,468.20 and 32,207.60 is: 48,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,007.60 : 118,468.20 = 32,207.60 : x
  2. Step 2: Convert to fraction form
    79,007.60/118,468.20 = 32,207.60/x
  3. Step 3: Cross multiply
    79,007.60x = 118,468.20 × 32,207.60
  4. Step 4: Simplify right side
    79,007.60x = 3,815,576,398.32
  5. Step 5: Solve for x
    x = 3,815,576,398.32/79,007.60
  6. Step 6: Final answer
    x = 48,293.79

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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.