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Finding the Fourth Proportional to 78,527.35, 108,369.57 and 42,719.32

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Solution

The fourth proportional to 78,527.35, 108,369.57 and 42,719.32 is: 58,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,527.35 : 108,369.57 = 42,719.32 : x
  2. Step 2: Convert to fraction form
    78,527.35/108,369.57 = 42,719.32/x
  3. Step 3: Cross multiply
    78,527.35x = 108,369.57 × 42,719.32
  4. Step 4: Simplify right side
    78,527.35x = 4,629,474,339.09
  5. Step 5: Solve for x
    x = 4,629,474,339.09/78,527.35
  6. Step 6: Final answer
    x = 58,953.66

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