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Finding the Fourth Proportional to 107,773.60, 161,660.40 and 37,643.80

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Solution

The fourth proportional to 107,773.60, 161,660.40 and 37,643.80 is: 56,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,773.60 : 161,660.40 = 37,643.80 : x
  2. Step 2: Convert to fraction form
    107,773.60/161,660.40 = 37,643.80/x
  3. Step 3: Cross multiply
    107,773.60x = 161,660.40 × 37,643.80
  4. Step 4: Simplify right side
    107,773.60x = 6,085,511,765.52
  5. Step 5: Solve for x
    x = 6,085,511,765.52/107,773.60
  6. Step 6: Final answer
    x = 56,465.70

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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.