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Finding the Fourth Proportional to 425,902.19, 638,715.07 and 141,516.36

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Solution

The fourth proportional to 425,902.19, 638,715.07 and 141,516.36 is: 212,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,902.19 : 638,715.07 = 141,516.36 : x
  2. Step 2: Convert to fraction form
    425,902.19/638,715.07 = 141,516.36/x
  3. Step 3: Cross multiply
    425,902.19x = 638,715.07 × 141,516.36
  4. Step 4: Simplify right side
    425,902.19x = 90,388,631,429.75
  5. Step 5: Solve for x
    x = 90,388,631,429.75/425,902.19
  6. Step 6: Final answer
    x = 212,228.62

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