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Finding the Fourth Proportional to 90,337.88, 135,506.90 and 37,718.68

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Solution

The fourth proportional to 90,337.88, 135,506.90 and 37,718.68 is: 56,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,337.88 : 135,506.90 = 37,718.68 : x
  2. Step 2: Convert to fraction form
    90,337.88/135,506.90 = 37,718.68/x
  3. Step 3: Cross multiply
    90,337.88x = 135,506.90 × 37,718.68
  4. Step 4: Simplify right side
    90,337.88x = 5,111,141,398.89
  5. Step 5: Solve for x
    x = 5,111,141,398.89/90,337.88
  6. Step 6: Final answer
    x = 56,578.05

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