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Finding the Fourth Proportional to 157,302.56, 217,072.72 and 85,681.44

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Solution

The fourth proportional to 157,302.56, 217,072.72 and 85,681.44 is: 118,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,302.56 : 217,072.72 = 85,681.44 : x
  2. Step 2: Convert to fraction form
    157,302.56/217,072.72 = 85,681.44/x
  3. Step 3: Cross multiply
    157,302.56x = 217,072.72 × 85,681.44
  4. Step 4: Simplify right side
    157,302.56x = 18,599,103,234.32
  5. Step 5: Solve for x
    x = 18,599,103,234.32/157,302.56
  6. Step 6: Final answer
    x = 118,237.77

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