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Finding the Fourth Proportional to 74,598.52, 102,948.10 and 40,609.20

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Solution

The fourth proportional to 74,598.52, 102,948.10 and 40,609.20 is: 56,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,598.52 : 102,948.10 = 40,609.20 : x
  2. Step 2: Convert to fraction form
    74,598.52/102,948.10 = 40,609.20/x
  3. Step 3: Cross multiply
    74,598.52x = 102,948.10 × 40,609.20
  4. Step 4: Simplify right side
    74,598.52x = 4,180,639,982.52
  5. Step 5: Solve for x
    x = 4,180,639,982.52/74,598.52
  6. Step 6: Final answer
    x = 56,041.86

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