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Finding the Fourth Proportional to 78,184.42, 107,893.54 and 42,373.92

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Solution

The fourth proportional to 78,184.42, 107,893.54 and 42,373.92 is: 58,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,184.42 : 107,893.54 = 42,373.92 : x
  2. Step 2: Convert to fraction form
    78,184.42/107,893.54 = 42,373.92/x
  3. Step 3: Cross multiply
    78,184.42x = 107,893.54 × 42,373.92
  4. Step 4: Simplify right side
    78,184.42x = 4,571,872,232.48
  5. Step 5: Solve for x
    x = 4,571,872,232.48/78,184.42
  6. Step 6: Final answer
    x = 58,475.49

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