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Finding the Fourth Proportional to 254,005.10, 380,978.46 and 67,031.18

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Solution

The fourth proportional to 254,005.10, 380,978.46 and 67,031.18 is: 100,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,005.10 : 380,978.46 = 67,031.18 : x
  2. Step 2: Convert to fraction form
    254,005.10/380,978.46 = 67,031.18/x
  3. Step 3: Cross multiply
    254,005.10x = 380,978.46 × 67,031.18
  4. Step 4: Simplify right side
    254,005.10x = 25,537,435,728.38
  5. Step 5: Solve for x
    x = 25,537,435,728.38/254,005.10
  6. Step 6: Final answer
    x = 100,539.07

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