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Finding the Fourth Proportional to 118,258.34, 177,135.30 and 95,672.09

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Solution

The fourth proportional to 118,258.34, 177,135.30 and 95,672.09 is: 143,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.34 : 177,135.30 = 95,672.09 : x
  2. Step 2: Convert to fraction form
    118,258.34/177,135.30 = 95,672.09/x
  3. Step 3: Cross multiply
    118,258.34x = 177,135.30 × 95,672.09
  4. Step 4: Simplify right side
    118,258.34x = 16,946,904,806.62
  5. Step 5: Solve for x
    x = 16,946,904,806.62/118,258.34
  6. Step 6: Final answer
    x = 143,304.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.