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Finding the Fourth Proportional to 78,337.71, 108,106.11 and 42,527.73

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Solution

The fourth proportional to 78,337.71, 108,106.11 and 42,527.73 is: 58,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,337.71 : 108,106.11 = 42,527.73 : x
  2. Step 2: Convert to fraction form
    78,337.71/108,106.11 = 42,527.73/x
  3. Step 3: Cross multiply
    78,337.71x = 108,106.11 × 42,527.73
  4. Step 4: Simplify right side
    78,337.71x = 4,597,507,457.43
  5. Step 5: Solve for x
    x = 4,597,507,457.43/78,337.71
  6. Step 6: Final answer
    x = 58,688.31

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