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Finding the Fourth Proportional to 118,604.92, 163,618.24 and 73,266.58

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Solution

The fourth proportional to 118,604.92, 163,618.24 and 73,266.58 is: 101,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,604.92 : 163,618.24 = 73,266.58 : x
  2. Step 2: Convert to fraction form
    118,604.92/163,618.24 = 73,266.58/x
  3. Step 3: Cross multiply
    118,604.92x = 163,618.24 × 73,266.58
  4. Step 4: Simplify right side
    118,604.92x = 11,987,748,870.42
  5. Step 5: Solve for x
    x = 11,987,748,870.42/118,604.92
  6. Step 6: Final answer
    x = 101,072.95

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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.