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Finding the Fourth Proportional to 112,076.64, 154,666.80 and 61,777.44

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Solution

The fourth proportional to 112,076.64, 154,666.80 and 61,777.44 is: 85,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076.64 : 154,666.80 = 61,777.44 : x
  2. Step 2: Convert to fraction form
    112,076.64/154,666.80 = 61,777.44/x
  3. Step 3: Cross multiply
    112,076.64x = 154,666.80 × 61,777.44
  4. Step 4: Simplify right side
    112,076.64x = 9,554,918,956.99
  5. Step 5: Solve for x
    x = 9,554,918,956.99/112,076.64
  6. Step 6: Final answer
    x = 85,253.44

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