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Finding the Fourth Proportional to 118,193.80, 177,252.30 and 39,294.60

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Solution

The fourth proportional to 118,193.80, 177,252.30 and 39,294.60 is: 58,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,193.80 : 177,252.30 = 39,294.60 : x
  2. Step 2: Convert to fraction form
    118,193.80/177,252.30 = 39,294.60/x
  3. Step 3: Cross multiply
    118,193.80x = 177,252.30 × 39,294.60
  4. Step 4: Simplify right side
    118,193.80x = 6,965,058,227.58
  5. Step 5: Solve for x
    x = 6,965,058,227.58/118,193.80
  6. Step 6: Final answer
    x = 58,929.13

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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.