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Finding the Fourth Proportional to 86,327.75, 119,134.73 and 48,602

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Solution

The fourth proportional to 86,327.75, 119,134.73 and 48,602 is: 67,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,327.75 : 119,134.73 = 48,602 : x
  2. Step 2: Convert to fraction form
    86,327.75/119,134.73 = 48,602/x
  3. Step 3: Cross multiply
    86,327.75x = 119,134.73 × 48,602
  4. Step 4: Simplify right side
    86,327.75x = 5,790,186,147.46
  5. Step 5: Solve for x
    x = 5,790,186,147.46/86,327.75
  6. Step 6: Final answer
    x = 67,072.13

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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.