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Finding the Fourth Proportional to 98,339.50, 135,720.16 and 55,904.42

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Solution

The fourth proportional to 98,339.50, 135,720.16 and 55,904.42 is: 77,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,339.50 : 135,720.16 = 55,904.42 : x
  2. Step 2: Convert to fraction form
    98,339.50/135,720.16 = 55,904.42/x
  3. Step 3: Cross multiply
    98,339.50x = 135,720.16 × 55,904.42
  4. Step 4: Simplify right side
    98,339.50x = 7,587,356,827.11
  5. Step 5: Solve for x
    x = 7,587,356,827.11/98,339.50
  6. Step 6: Final answer
    x = 77,154.72

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