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Finding the Fourth Proportional to 84,367.16, 126,585.67 and 36,957.76

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Solution

The fourth proportional to 84,367.16, 126,585.67 and 36,957.76 is: 55,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.16 : 126,585.67 = 36,957.76 : x
  2. Step 2: Convert to fraction form
    84,367.16/126,585.67 = 36,957.76/x
  3. Step 3: Cross multiply
    84,367.16x = 126,585.67 × 36,957.76
  4. Step 4: Simplify right side
    84,367.16x = 4,678,322,811.30
  5. Step 5: Solve for x
    x = 4,678,322,811.30/84,367.16
  6. Step 6: Final answer
    x = 55,451.94

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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.