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Finding the Fourth Proportional to 122,703.40, 184,056.80 and 80,851.40

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Solution

The fourth proportional to 122,703.40, 184,056.80 and 80,851.40 is: 121,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,703.40 : 184,056.80 = 80,851.40 : x
  2. Step 2: Convert to fraction form
    122,703.40/184,056.80 = 80,851.40/x
  3. Step 3: Cross multiply
    122,703.40x = 184,056.80 × 80,851.40
  4. Step 4: Simplify right side
    122,703.40x = 14,881,249,959.52
  5. Step 5: Solve for x
    x = 14,881,249,959.52/122,703.40
  6. Step 6: Final answer
    x = 121,278.22

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