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Finding the Fourth Proportional to 321,845.76, 482,613.12 and 141,909.12

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Solution

The fourth proportional to 321,845.76, 482,613.12 and 141,909.12 is: 212,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,845.76 : 482,613.12 = 141,909.12 : x
  2. Step 2: Convert to fraction form
    321,845.76/482,613.12 = 141,909.12/x
  3. Step 3: Cross multiply
    321,845.76x = 482,613.12 × 141,909.12
  4. Step 4: Simplify right side
    321,845.76x = 68,487,203,159.65
  5. Step 5: Solve for x
    x = 68,487,203,159.65/321,845.76
  6. Step 6: Final answer
    x = 212,795.11

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