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Finding the Fourth Proportional to 102,700.70, 154,051.05 and 36,140.30

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Solution

The fourth proportional to 102,700.70, 154,051.05 and 36,140.30 is: 54,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,700.70 : 154,051.05 = 36,140.30 : x
  2. Step 2: Convert to fraction form
    102,700.70/154,051.05 = 36,140.30/x
  3. Step 3: Cross multiply
    102,700.70x = 154,051.05 × 36,140.30
  4. Step 4: Simplify right side
    102,700.70x = 5,567,451,162.32
  5. Step 5: Solve for x
    x = 5,567,451,162.32/102,700.70
  6. Step 6: Final answer
    x = 54,210.45

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