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Finding the Fourth Proportional to 86,843.34, 130,327.29 and 36,958.50

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Solution

The fourth proportional to 86,843.34, 130,327.29 and 36,958.50 is: 55,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,843.34 : 130,327.29 = 36,958.50 : x
  2. Step 2: Convert to fraction form
    86,843.34/130,327.29 = 36,958.50/x
  3. Step 3: Cross multiply
    86,843.34x = 130,327.29 × 36,958.50
  4. Step 4: Simplify right side
    86,843.34x = 4,816,701,147.47
  5. Step 5: Solve for x
    x = 4,816,701,147.47/86,843.34
  6. Step 6: Final answer
    x = 55,464.25

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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.