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Finding the Fourth Proportional to 299,300.40, 448,950.60 and 141,836.40

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Solution

The fourth proportional to 299,300.40, 448,950.60 and 141,836.40 is: 212,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,300.40 : 448,950.60 = 141,836.40 : x
  2. Step 2: Convert to fraction form
    299,300.40/448,950.60 = 141,836.40/x
  3. Step 3: Cross multiply
    299,300.40x = 448,950.60 × 141,836.40
  4. Step 4: Simplify right side
    299,300.40x = 63,677,536,881.84
  5. Step 5: Solve for x
    x = 63,677,536,881.84/299,300.40
  6. Step 6: Final answer
    x = 212,754.60

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