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Finding the Fourth Proportional to 407,137.59, 610,748.28 and 140,897.70

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Solution

The fourth proportional to 407,137.59, 610,748.28 and 140,897.70 is: 211,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,137.59 : 610,748.28 = 140,897.70 : x
  2. Step 2: Convert to fraction form
    407,137.59/610,748.28 = 140,897.70/x
  3. Step 3: Cross multiply
    407,137.59x = 610,748.28 × 140,897.70
  4. Step 4: Simplify right side
    407,137.59x = 86,053,027,930.96
  5. Step 5: Solve for x
    x = 86,053,027,930.96/407,137.59
  6. Step 6: Final answer
    x = 211,361.05

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