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Finding the Fourth Proportional to 64,113.60, 96,093.60 and 32,932.80

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Solution

The fourth proportional to 64,113.60, 96,093.60 and 32,932.80 is: 49,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,113.60 : 96,093.60 = 32,932.80 : x
  2. Step 2: Convert to fraction form
    64,113.60/96,093.60 = 32,932.80/x
  3. Step 3: Cross multiply
    64,113.60x = 96,093.60 × 32,932.80
  4. Step 4: Simplify right side
    64,113.60x = 3,164,631,310.08
  5. Step 5: Solve for x
    x = 3,164,631,310.08/64,113.60
  6. Step 6: Final answer
    x = 49,359.75

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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.