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Finding the Fourth Proportional to 132,199.40, 198,428.70 and 65,714.60

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Solution

The fourth proportional to 132,199.40, 198,428.70 and 65,714.60 is: 98,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,199.40 : 198,428.70 = 65,714.60 : x
  2. Step 2: Convert to fraction form
    132,199.40/198,428.70 = 65,714.60/x
  3. Step 3: Cross multiply
    132,199.40x = 198,428.70 × 65,714.60
  4. Step 4: Simplify right side
    132,199.40x = 13,039,662,649.02
  5. Step 5: Solve for x
    x = 13,039,662,649.02/132,199.40
  6. Step 6: Final answer
    x = 98,636.32

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