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Finding the Fourth Proportional to 107,720.73, 161,654.88 and 37,600.03

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Solution

The fourth proportional to 107,720.73, 161,654.88 and 37,600.03 is: 56,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.73 : 161,654.88 = 37,600.03 : x
  2. Step 2: Convert to fraction form
    107,720.73/161,654.88 = 37,600.03/x
  3. Step 3: Cross multiply
    107,720.73x = 161,654.88 × 37,600.03
  4. Step 4: Simplify right side
    107,720.73x = 6,078,228,337.65
  5. Step 5: Solve for x
    x = 6,078,228,337.65/107,720.73
  6. Step 6: Final answer
    x = 56,425.80

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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.