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Finding the Fourth Proportional to 113,707, 170,599.83 and 38,879.81

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Solution

The fourth proportional to 113,707, 170,599.83 and 38,879.81 is: 58,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,707 : 170,599.83 = 38,879.81 : x
  2. Step 2: Convert to fraction form
    113,707/170,599.83 = 38,879.81/x
  3. Step 3: Cross multiply
    113,707x = 170,599.83 × 38,879.81
  4. Step 4: Simplify right side
    113,707x = 6,632,888,976.43
  5. Step 5: Solve for x
    x = 6,632,888,976.43/113,707
  6. Step 6: Final answer
    x = 58,333.16

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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.