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Finding the Fourth Proportional to 113,300.70, 169,797.96 and 43,141.74

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Solution

The fourth proportional to 113,300.70, 169,797.96 and 43,141.74 is: 64,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,300.70 : 169,797.96 = 43,141.74 : x
  2. Step 2: Convert to fraction form
    113,300.70/169,797.96 = 43,141.74/x
  3. Step 3: Cross multiply
    113,300.70x = 169,797.96 × 43,141.74
  4. Step 4: Simplify right side
    113,300.70x = 7,325,379,867.35
  5. Step 5: Solve for x
    x = 7,325,379,867.35/113,300.70
  6. Step 6: Final answer
    x = 64,654.32

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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.