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Finding the Fourth Proportional to 118,877.11, 164,067.19 and 73,569.68

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Solution

The fourth proportional to 118,877.11, 164,067.19 and 73,569.68 is: 101,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.11 : 164,067.19 = 73,569.68 : x
  2. Step 2: Convert to fraction form
    118,877.11/164,067.19 = 73,569.68/x
  3. Step 3: Cross multiply
    118,877.11x = 164,067.19 × 73,569.68
  4. Step 4: Simplify right side
    118,877.11x = 12,070,371,614.50
  5. Step 5: Solve for x
    x = 12,070,371,614.50/118,877.11
  6. Step 6: Final answer
    x = 101,536.55

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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.