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Finding the Fourth Proportional to 83,411.60, 125,117.40 and 53,862.80

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Solution

The fourth proportional to 83,411.60, 125,117.40 and 53,862.80 is: 80,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.60 : 125,117.40 = 53,862.80 : x
  2. Step 2: Convert to fraction form
    83,411.60/125,117.40 = 53,862.80/x
  3. Step 3: Cross multiply
    83,411.60x = 125,117.40 × 53,862.80
  4. Step 4: Simplify right side
    83,411.60x = 6,739,173,492.72
  5. Step 5: Solve for x
    x = 6,739,173,492.72/83,411.60
  6. Step 6: Final answer
    x = 80,794.20

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