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Finding the Fourth Proportional to 77,852.53, 107,436.49 and 42,042.54

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Solution

The fourth proportional to 77,852.53, 107,436.49 and 42,042.54 is: 58,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,852.53 : 107,436.49 = 42,042.54 : x
  2. Step 2: Convert to fraction form
    77,852.53/107,436.49 = 42,042.54/x
  3. Step 3: Cross multiply
    77,852.53x = 107,436.49 × 42,042.54
  4. Step 4: Simplify right side
    77,852.53x = 4,516,903,462.55
  5. Step 5: Solve for x
    x = 4,516,903,462.55/77,852.53
  6. Step 6: Final answer
    x = 58,018.71

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