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Finding the Fourth Proportional to 121,492.80, 182,239.20 and 116,827.20

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Solution

The fourth proportional to 121,492.80, 182,239.20 and 116,827.20 is: 175,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,492.80 : 182,239.20 = 116,827.20 : x
  2. Step 2: Convert to fraction form
    121,492.80/182,239.20 = 116,827.20/x
  3. Step 3: Cross multiply
    121,492.80x = 182,239.20 × 116,827.20
  4. Step 4: Simplify right side
    121,492.80x = 21,290,495,466.24
  5. Step 5: Solve for x
    x = 21,290,495,466.24/121,492.80
  6. Step 6: Final answer
    x = 175,240.80

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