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Finding the Fourth Proportional to 81,756.76, 112,834.41 and 45,946

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Solution

The fourth proportional to 81,756.76, 112,834.41 and 45,946 is: 63,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,756.76 : 112,834.41 = 45,946 : x
  2. Step 2: Convert to fraction form
    81,756.76/112,834.41 = 45,946/x
  3. Step 3: Cross multiply
    81,756.76x = 112,834.41 × 45,946
  4. Step 4: Simplify right side
    81,756.76x = 5,184,289,801.86
  5. Step 5: Solve for x
    x = 5,184,289,801.86/81,756.76
  6. Step 6: Final answer
    x = 63,411.15

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