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Finding the Fourth Proportional to 286,605.94, 429,947.79 and 99,593.14

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Solution

The fourth proportional to 286,605.94, 429,947.79 and 99,593.14 is: 149,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,605.94 : 429,947.79 = 99,593.14 : x
  2. Step 2: Convert to fraction form
    286,605.94/429,947.79 = 99,593.14/x
  3. Step 3: Cross multiply
    286,605.94x = 429,947.79 × 99,593.14
  4. Step 4: Simplify right side
    286,605.94x = 42,819,850,442.16
  5. Step 5: Solve for x
    x = 42,819,850,442.16/286,605.94
  6. Step 6: Final answer
    x = 149,403.22

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