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Finding the Fourth Proportional to 74,500.70, 102,810.94 and 40,966.70

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Solution

The fourth proportional to 74,500.70, 102,810.94 and 40,966.70 is: 56,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,500.70 : 102,810.94 = 40,966.70 : x
  2. Step 2: Convert to fraction form
    74,500.70/102,810.94 = 40,966.70/x
  3. Step 3: Cross multiply
    74,500.70x = 102,810.94 × 40,966.70
  4. Step 4: Simplify right side
    74,500.70x = 4,211,824,935.70
  5. Step 5: Solve for x
    x = 4,211,824,935.70/74,500.70
  6. Step 6: Final answer
    x = 56,534.03

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