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Finding the Fourth Proportional to 94,392.78, 130,289.70 and 56,179.20

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Solution

The fourth proportional to 94,392.78, 130,289.70 and 56,179.20 is: 77,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,392.78 : 130,289.70 = 56,179.20 : x
  2. Step 2: Convert to fraction form
    94,392.78/130,289.70 = 56,179.20/x
  3. Step 3: Cross multiply
    94,392.78x = 130,289.70 × 56,179.20
  4. Step 4: Simplify right side
    94,392.78x = 7,319,571,114.24
  5. Step 5: Solve for x
    x = 7,319,571,114.24/94,392.78
  6. Step 6: Final answer
    x = 77,543.76

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