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Finding the Fourth Proportional to 199,577.40, 299,366.10 and 143,808.90

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Solution

The fourth proportional to 199,577.40, 299,366.10 and 143,808.90 is: 215,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,577.40 : 299,366.10 = 143,808.90 : x
  2. Step 2: Convert to fraction form
    199,577.40/299,366.10 = 143,808.90/x
  3. Step 3: Cross multiply
    199,577.40x = 299,366.10 × 143,808.90
  4. Step 4: Simplify right side
    199,577.40x = 43,051,509,538.29
  5. Step 5: Solve for x
    x = 43,051,509,538.29/199,577.40
  6. Step 6: Final answer
    x = 215,713.35

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