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Finding the Fourth Proportional to 145,161.60, 217,657.63 and 56,311.27

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Solution

The fourth proportional to 145,161.60, 217,657.63 and 56,311.27 is: 84,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161.60 : 217,657.63 = 56,311.27 : x
  2. Step 2: Convert to fraction form
    145,161.60/217,657.63 = 56,311.27/x
  3. Step 3: Cross multiply
    145,161.60x = 217,657.63 × 56,311.27
  4. Step 4: Simplify right side
    145,161.60x = 12,256,577,570.49
  5. Step 5: Solve for x
    x = 12,256,577,570.49/145,161.60
  6. Step 6: Final answer
    x = 84,434.02

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