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Finding the Fourth Proportional to 253,603.71, 349,973.10 and 140,426.46

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Solution

The fourth proportional to 253,603.71, 349,973.10 and 140,426.46 is: 193,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,603.71 : 349,973.10 = 140,426.46 : x
  2. Step 2: Convert to fraction form
    253,603.71/349,973.10 = 140,426.46/x
  3. Step 3: Cross multiply
    253,603.71x = 349,973.10 × 140,426.46
  4. Step 4: Simplify right side
    253,603.71x = 49,145,483,528.23
  5. Step 5: Solve for x
    x = 49,145,483,528.23/253,603.71
  6. Step 6: Final answer
    x = 193,788.50

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