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Finding the Fourth Proportional to 118,912.84, 164,067.06 and 73,569.04

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Solution

The fourth proportional to 118,912.84, 164,067.06 and 73,569.04 is: 101,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,912.84 : 164,067.06 = 73,569.04 : x
  2. Step 2: Convert to fraction form
    118,912.84/164,067.06 = 73,569.04/x
  3. Step 3: Cross multiply
    118,912.84x = 164,067.06 × 73,569.04
  4. Step 4: Simplify right side
    118,912.84x = 12,070,256,099.82
  5. Step 5: Solve for x
    x = 12,070,256,099.82/118,912.84
  6. Step 6: Final answer
    x = 101,505.07

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1.5x scale

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.