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Finding the Fourth Proportional to 132,561.99, 182,875.05 and 78,816.42

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Solution

The fourth proportional to 132,561.99, 182,875.05 and 78,816.42 is: 108,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,561.99 : 182,875.05 = 78,816.42 : x
  2. Step 2: Convert to fraction form
    132,561.99/182,875.05 = 78,816.42/x
  3. Step 3: Cross multiply
    132,561.99x = 182,875.05 × 78,816.42
  4. Step 4: Simplify right side
    132,561.99x = 14,413,556,748.32
  5. Step 5: Solve for x
    x = 14,413,556,748.32/132,561.99
  6. Step 6: Final answer
    x = 108,730.69

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