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Finding the Fourth Proportional to 118,315.52, 177,481.80 and 37,255.60

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Solution

The fourth proportional to 118,315.52, 177,481.80 and 37,255.60 is: 55,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,315.52 : 177,481.80 = 37,255.60 : x
  2. Step 2: Convert to fraction form
    118,315.52/177,481.80 = 37,255.60/x
  3. Step 3: Cross multiply
    118,315.52x = 177,481.80 × 37,255.60
  4. Step 4: Simplify right side
    118,315.52x = 6,612,190,948.08
  5. Step 5: Solve for x
    x = 6,612,190,948.08/118,315.52
  6. Step 6: Final answer
    x = 55,886.08

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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.