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Finding the Fourth Proportional to 70,873.92, 106,336.80 and 24,131.52

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Solution

The fourth proportional to 70,873.92, 106,336.80 and 24,131.52 is: 36,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,873.92 : 106,336.80 = 24,131.52 : x
  2. Step 2: Convert to fraction form
    70,873.92/106,336.80 = 24,131.52/x
  3. Step 3: Cross multiply
    70,873.92x = 106,336.80 × 24,131.52
  4. Step 4: Simplify right side
    70,873.92x = 2,566,068,615.94
  5. Step 5: Solve for x
    x = 2,566,068,615.94/70,873.92
  6. Step 6: Final answer
    x = 36,206.11

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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.