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Finding the Fourth Proportional to 86,552.88, 119,443.86 and 50,743.86

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Solution

The fourth proportional to 86,552.88, 119,443.86 and 50,743.86 is: 70,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,552.88 : 119,443.86 = 50,743.86 : x
  2. Step 2: Convert to fraction form
    86,552.88/119,443.86 = 50,743.86/x
  3. Step 3: Cross multiply
    86,552.88x = 119,443.86 × 50,743.86
  4. Step 4: Simplify right side
    86,552.88x = 6,061,042,509.70
  5. Step 5: Solve for x
    x = 6,061,042,509.70/86,552.88
  6. Step 6: Final answer
    x = 70,027.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.