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Finding the Fourth Proportional to 118,902.60, 164,086.93 and 67,922.08

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Solution

The fourth proportional to 118,902.60, 164,086.93 and 67,922.08 is: 93,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,902.60 : 164,086.93 = 67,922.08 : x
  2. Step 2: Convert to fraction form
    118,902.60/164,086.93 = 67,922.08/x
  3. Step 3: Cross multiply
    118,902.60x = 164,086.93 × 67,922.08
  4. Step 4: Simplify right side
    118,902.60x = 11,145,125,261.10
  5. Step 5: Solve for x
    x = 11,145,125,261.10/118,902.60
  6. Step 6: Final answer
    x = 93,733.23

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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.