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Finding the Fourth Proportional to 113,203.82, 169,879.44 and 43,083.74

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Solution

The fourth proportional to 113,203.82, 169,879.44 and 43,083.74 is: 64,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,203.82 : 169,879.44 = 43,083.74 : x
  2. Step 2: Convert to fraction form
    113,203.82/169,879.44 = 43,083.74/x
  3. Step 3: Cross multiply
    113,203.82x = 169,879.44 × 43,083.74
  4. Step 4: Simplify right side
    113,203.82x = 7,319,041,624.31
  5. Step 5: Solve for x
    x = 7,319,041,624.31/113,203.82
  6. Step 6: Final answer
    x = 64,653.66

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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.