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Finding the Fourth Proportional to 373,144.80, 559,714.56 and 106,905.60

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Solution

The fourth proportional to 373,144.80, 559,714.56 and 106,905.60 is: 160,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,144.80 : 559,714.56 = 106,905.60 : x
  2. Step 2: Convert to fraction form
    373,144.80/559,714.56 = 106,905.60/x
  3. Step 3: Cross multiply
    373,144.80x = 559,714.56 × 106,905.60
  4. Step 4: Simplify right side
    373,144.80x = 59,836,620,865.54
  5. Step 5: Solve for x
    x = 59,836,620,865.54/373,144.80
  6. Step 6: Final answer
    x = 160,357.64

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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.