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Finding the Fourth Proportional to 117,894.54, 176,298.59 and 87,556.95

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Solution

The fourth proportional to 117,894.54, 176,298.59 and 87,556.95 is: 130,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,894.54 : 176,298.59 = 87,556.95 : x
  2. Step 2: Convert to fraction form
    117,894.54/176,298.59 = 87,556.95/x
  3. Step 3: Cross multiply
    117,894.54x = 176,298.59 × 87,556.95
  4. Step 4: Simplify right side
    117,894.54x = 15,436,166,391.92
  5. Step 5: Solve for x
    x = 15,436,166,391.92/117,894.54
  6. Step 6: Final answer
    x = 130,931.99

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