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Finding the Fourth Proportional to 78,400.42, 108,168.72 and 44,403.50

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Solution

The fourth proportional to 78,400.42, 108,168.72 and 44,403.50 is: 61,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,400.42 : 108,168.72 = 44,403.50 : x
  2. Step 2: Convert to fraction form
    78,400.42/108,168.72 = 44,403.50/x
  3. Step 3: Cross multiply
    78,400.42x = 108,168.72 × 44,403.50
  4. Step 4: Simplify right side
    78,400.42x = 4,803,069,758.52
  5. Step 5: Solve for x
    x = 4,803,069,758.52/78,400.42
  6. Step 6: Final answer
    x = 61,263.32

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