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Finding the Fourth Proportional to 118,601.92, 163,614.10 and 73,263.58

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Solution

The fourth proportional to 118,601.92, 163,614.10 and 73,263.58 is: 101,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,601.92 : 163,614.10 = 73,263.58 : x
  2. Step 2: Convert to fraction form
    118,601.92/163,614.10 = 73,263.58/x
  3. Step 3: Cross multiply
    118,601.92x = 163,614.10 × 73,263.58
  4. Step 4: Simplify right side
    118,601.92x = 11,986,954,704.48
  5. Step 5: Solve for x
    x = 11,986,954,704.48/118,601.92
  6. Step 6: Final answer
    x = 101,068.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.