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Finding the Fourth Proportional to 113,818.92, 170,736.66 and 43,698.23

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Solution

The fourth proportional to 113,818.92, 170,736.66 and 43,698.23 is: 65,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.92 : 170,736.66 = 43,698.23 : x
  2. Step 2: Convert to fraction form
    113,818.92/170,736.66 = 43,698.23/x
  3. Step 3: Cross multiply
    113,818.92x = 170,736.66 × 43,698.23
  4. Step 4: Simplify right side
    113,818.92x = 7,460,890,585.08
  5. Step 5: Solve for x
    x = 7,460,890,585.08/113,818.92
  6. Step 6: Final answer
    x = 65,550.53

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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.