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Finding the Fourth Proportional to 86,617.86, 119,524.73 and 50,801.28

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Solution

The fourth proportional to 86,617.86, 119,524.73 and 50,801.28 is: 70,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,617.86 : 119,524.73 = 50,801.28 : x
  2. Step 2: Convert to fraction form
    86,617.86/119,524.73 = 50,801.28/x
  3. Step 3: Cross multiply
    86,617.86x = 119,524.73 × 50,801.28
  4. Step 4: Simplify right side
    86,617.86x = 6,072,009,021.65
  5. Step 5: Solve for x
    x = 6,072,009,021.65/86,617.86
  6. Step 6: Final answer
    x = 70,101.12

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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.