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Finding the Fourth Proportional to 289,095.60, 433,837.80 and 131,242.80

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Solution

The fourth proportional to 289,095.60, 433,837.80 and 131,242.80 is: 196,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,095.60 : 433,837.80 = 131,242.80 : x
  2. Step 2: Convert to fraction form
    289,095.60/433,837.80 = 131,242.80/x
  3. Step 3: Cross multiply
    289,095.60x = 433,837.80 × 131,242.80
  4. Step 4: Simplify right side
    289,095.60x = 56,938,087,617.84
  5. Step 5: Solve for x
    x = 56,938,087,617.84/289,095.60
  6. Step 6: Final answer
    x = 196,952.45

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