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Finding the Fourth Proportional to 100,032.90, 150,049.35 and 92,742.90

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Solution

The fourth proportional to 100,032.90, 150,049.35 and 92,742.90 is: 139,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,032.90 : 150,049.35 = 92,742.90 : x
  2. Step 2: Convert to fraction form
    100,032.90/150,049.35 = 92,742.90/x
  3. Step 3: Cross multiply
    100,032.90x = 150,049.35 × 92,742.90
  4. Step 4: Simplify right side
    100,032.90x = 13,916,011,862.12
  5. Step 5: Solve for x
    x = 13,916,011,862.12/100,032.90
  6. Step 6: Final answer
    x = 139,114.35

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