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Finding the Fourth Proportional to 73,096.60, 109,686.66 and 39,815.32

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Solution

The fourth proportional to 73,096.60, 109,686.66 and 39,815.32 is: 59,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,096.60 : 109,686.66 = 39,815.32 : x
  2. Step 2: Convert to fraction form
    73,096.60/109,686.66 = 39,815.32/x
  3. Step 3: Cross multiply
    73,096.60x = 109,686.66 × 39,815.32
  4. Step 4: Simplify right side
    73,096.60x = 4,367,209,467.63
  5. Step 5: Solve for x
    x = 4,367,209,467.63/73,096.60
  6. Step 6: Final answer
    x = 59,745.73

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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.