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Finding the Fourth Proportional to 111,903.75, 154,427.22 and 61,602.75

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Solution

The fourth proportional to 111,903.75, 154,427.22 and 61,602.75 is: 85,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,903.75 : 154,427.22 = 61,602.75 : x
  2. Step 2: Convert to fraction form
    111,903.75/154,427.22 = 61,602.75/x
  3. Step 3: Cross multiply
    111,903.75x = 154,427.22 × 61,602.75
  4. Step 4: Simplify right side
    111,903.75x = 9,513,141,426.86
  5. Step 5: Solve for x
    x = 9,513,141,426.86/111,903.75
  6. Step 6: Final answer
    x = 85,011.82

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