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Finding the Fourth Proportional to 79,358.64, 118,990.22 and 37,247.95

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Solution

The fourth proportional to 79,358.64, 118,990.22 and 37,247.95 is: 55,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.64 : 118,990.22 = 37,247.95 : x
  2. Step 2: Convert to fraction form
    79,358.64/118,990.22 = 37,247.95/x
  3. Step 3: Cross multiply
    79,358.64x = 118,990.22 × 37,247.95
  4. Step 4: Simplify right side
    79,358.64x = 4,432,141,727.55
  5. Step 5: Solve for x
    x = 4,432,141,727.55/79,358.64
  6. Step 6: Final answer
    x = 55,849.52

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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.