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Finding the Fourth Proportional to 228,854.40, 343,346.40 and 71,098.80

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Solution

The fourth proportional to 228,854.40, 343,346.40 and 71,098.80 is: 106,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,854.40 : 343,346.40 = 71,098.80 : x
  2. Step 2: Convert to fraction form
    228,854.40/343,346.40 = 71,098.80/x
  3. Step 3: Cross multiply
    228,854.40x = 343,346.40 × 71,098.80
  4. Step 4: Simplify right side
    228,854.40x = 24,411,517,024.32
  5. Step 5: Solve for x
    x = 24,411,517,024.32/228,854.40
  6. Step 6: Final answer
    x = 106,668.33

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