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Finding the Fourth Proportional to 212,493.60, 318,666.96 and 94,247.68

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Solution

The fourth proportional to 212,493.60, 318,666.96 and 94,247.68 is: 141,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,493.60 : 318,666.96 = 94,247.68 : x
  2. Step 2: Convert to fraction form
    212,493.60/318,666.96 = 94,247.68/x
  3. Step 3: Cross multiply
    212,493.60x = 318,666.96 × 94,247.68
  4. Step 4: Simplify right side
    212,493.60x = 30,033,621,672.65
  5. Step 5: Solve for x
    x = 30,033,621,672.65/212,493.60
  6. Step 6: Final answer
    x = 141,338.95

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