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Finding the Fourth Proportional to 86,451.68, 119,302.44 and 48,738.08

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Solution

The fourth proportional to 86,451.68, 119,302.44 and 48,738.08 is: 67,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.68 : 119,302.44 = 48,738.08 : x
  2. Step 2: Convert to fraction form
    86,451.68/119,302.44 = 48,738.08/x
  3. Step 3: Cross multiply
    86,451.68x = 119,302.44 × 48,738.08
  4. Step 4: Simplify right side
    86,451.68x = 5,814,571,864.92
  5. Step 5: Solve for x
    x = 5,814,571,864.92/86,451.68
  6. Step 6: Final answer
    x = 67,258.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.