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Finding the Fourth Proportional to 79,009.60, 118,471.20 and 32,209.60

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Solution

The fourth proportional to 79,009.60, 118,471.20 and 32,209.60 is: 48,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,009.60 : 118,471.20 = 32,209.60 : x
  2. Step 2: Convert to fraction form
    79,009.60/118,471.20 = 32,209.60/x
  3. Step 3: Cross multiply
    79,009.60x = 118,471.20 × 32,209.60
  4. Step 4: Simplify right side
    79,009.60x = 3,815,909,963.52
  5. Step 5: Solve for x
    x = 3,815,909,963.52/79,009.60
  6. Step 6: Final answer
    x = 48,296.79

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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.