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Finding the Fourth Proportional to 86,793.88, 119,776.42 and 50,995.40

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Solution

The fourth proportional to 86,793.88, 119,776.42 and 50,995.40 is: 70,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793.88 : 119,776.42 = 50,995.40 : x
  2. Step 2: Convert to fraction form
    86,793.88/119,776.42 = 50,995.40/x
  3. Step 3: Cross multiply
    86,793.88x = 119,776.42 × 50,995.40
  4. Step 4: Simplify right side
    86,793.88x = 6,108,046,448.47
  5. Step 5: Solve for x
    x = 6,108,046,448.47/86,793.88
  6. Step 6: Final answer
    x = 70,374.16

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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.