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Finding the Fourth Proportional to 342,117.90, 513,286.20 and 117,622.35

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Solution

The fourth proportional to 342,117.90, 513,286.20 and 117,622.35 is: 176,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,117.90 : 513,286.20 = 117,622.35 : x
  2. Step 2: Convert to fraction form
    342,117.90/513,286.20 = 117,622.35/x
  3. Step 3: Cross multiply
    342,117.90x = 513,286.20 × 117,622.35
  4. Step 4: Simplify right side
    342,117.90x = 60,373,929,066.57
  5. Step 5: Solve for x
    x = 60,373,929,066.57/342,117.90
  6. Step 6: Final answer
    x = 176,471.12

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