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Finding the Fourth Proportional to 69,697.60, 104,530.64 and 32,237.12

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Solution

The fourth proportional to 69,697.60, 104,530.64 and 32,237.12 is: 48,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.60 : 104,530.64 = 32,237.12 : x
  2. Step 2: Convert to fraction form
    69,697.60/104,530.64 = 32,237.12/x
  3. Step 3: Cross multiply
    69,697.60x = 104,530.64 × 32,237.12
  4. Step 4: Simplify right side
    69,697.60x = 3,369,766,785.36
  5. Step 5: Solve for x
    x = 3,369,766,785.36/69,697.60
  6. Step 6: Final answer
    x = 48,348.39

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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.