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Finding the Fourth Proportional to 113,003.60, 169,672.80 and 63,183.20

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Solution

The fourth proportional to 113,003.60, 169,672.80 and 63,183.20 is: 94,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,003.60 : 169,672.80 = 63,183.20 : x
  2. Step 2: Convert to fraction form
    113,003.60/169,672.80 = 63,183.20/x
  3. Step 3: Cross multiply
    113,003.60x = 169,672.80 × 63,183.20
  4. Step 4: Simplify right side
    113,003.60x = 10,720,470,456.96
  5. Step 5: Solve for x
    x = 10,720,470,456.96/113,003.60
  6. Step 6: Final answer
    x = 94,868.40

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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.