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Finding the Fourth Proportional to 174,484.80, 261,727.20 and 139,492.80

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Solution

The fourth proportional to 174,484.80, 261,727.20 and 139,492.80 is: 209,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,484.80 : 261,727.20 = 139,492.80 : x
  2. Step 2: Convert to fraction form
    174,484.80/261,727.20 = 139,492.80/x
  3. Step 3: Cross multiply
    174,484.80x = 261,727.20 × 139,492.80
  4. Step 4: Simplify right side
    174,484.80x = 36,509,059,964.16
  5. Step 5: Solve for x
    x = 36,509,059,964.16/174,484.80
  6. Step 6: Final answer
    x = 209,239.20

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