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Finding the Fourth Proportional to 86,469.68, 119,310 and 52,496.06

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Solution

The fourth proportional to 86,469.68, 119,310 and 52,496.06 is: 72,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,469.68 : 119,310 = 52,496.06 : x
  2. Step 2: Convert to fraction form
    86,469.68/119,310 = 52,496.06/x
  3. Step 3: Cross multiply
    86,469.68x = 119,310 × 52,496.06
  4. Step 4: Simplify right side
    86,469.68x = 6,263,304,322.05
  5. Step 5: Solve for x
    x = 6,263,304,322.05/86,469.68
  6. Step 6: Final answer
    x = 72,433.54

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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.