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Finding the Fourth Proportional to 123,962.52, 185,937.12 and 72,699.72

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Solution

The fourth proportional to 123,962.52, 185,937.12 and 72,699.72 is: 109,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,962.52 : 185,937.12 = 72,699.72 : x
  2. Step 2: Convert to fraction form
    123,962.52/185,937.12 = 72,699.72/x
  3. Step 3: Cross multiply
    123,962.52x = 185,937.12 × 72,699.72
  4. Step 4: Simplify right side
    123,962.52x = 13,517,576,561.61
  5. Step 5: Solve for x
    x = 13,517,576,561.61/123,962.52
  6. Step 6: Final answer
    x = 109,045.67

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