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Finding the Fourth Proportional to 107,672.48, 161,496.48 and 28,793.60

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Solution

The fourth proportional to 107,672.48, 161,496.48 and 28,793.60 is: 43,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,672.48 : 161,496.48 = 28,793.60 : x
  2. Step 2: Convert to fraction form
    107,672.48/161,496.48 = 28,793.60/x
  3. Step 3: Cross multiply
    107,672.48x = 161,496.48 × 28,793.60
  4. Step 4: Simplify right side
    107,672.48x = 4,650,065,046.53
  5. Step 5: Solve for x
    x = 4,650,065,046.53/107,672.48
  6. Step 6: Final answer
    x = 43,187.13

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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.