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Finding the Fourth Proportional to 92,924.76, 128,289.22 and 61,185.80

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Solution

The fourth proportional to 92,924.76, 128,289.22 and 61,185.80 is: 84,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,924.76 : 128,289.22 = 61,185.80 : x
  2. Step 2: Convert to fraction form
    92,924.76/128,289.22 = 61,185.80/x
  3. Step 3: Cross multiply
    92,924.76x = 128,289.22 × 61,185.80
  4. Step 4: Simplify right side
    92,924.76x = 7,849,478,557.08
  5. Step 5: Solve for x
    x = 7,849,478,557.08/92,924.76
  6. Step 6: Final answer
    x = 84,471.34

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