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Finding the Fourth Proportional to 86,832.87, 119,834.40 and 48,592.08

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Solution

The fourth proportional to 86,832.87, 119,834.40 and 48,592.08 is: 67,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832.87 : 119,834.40 = 48,592.08 : x
  2. Step 2: Convert to fraction form
    86,832.87/119,834.40 = 48,592.08/x
  3. Step 3: Cross multiply
    86,832.87x = 119,834.40 × 48,592.08
  4. Step 4: Simplify right side
    86,832.87x = 5,823,002,751.55
  5. Step 5: Solve for x
    x = 5,823,002,751.55/86,832.87
  6. Step 6: Final answer
    x = 67,059.89

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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.