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Finding the Fourth Proportional to 80,309.04, 120,518.04 and 42,895.98

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Solution

The fourth proportional to 80,309.04, 120,518.04 and 42,895.98 is: 64,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,309.04 : 120,518.04 = 42,895.98 : x
  2. Step 2: Convert to fraction form
    80,309.04/120,518.04 = 42,895.98/x
  3. Step 3: Cross multiply
    80,309.04x = 120,518.04 × 42,895.98
  4. Step 4: Simplify right side
    80,309.04x = 5,169,739,594.34
  5. Step 5: Solve for x
    x = 5,169,739,594.34/80,309.04
  6. Step 6: Final answer
    x = 64,373.07

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