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Finding the Fourth Proportional to 257,469.89, 386,110.01 and 88,946.96

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Solution

The fourth proportional to 257,469.89, 386,110.01 and 88,946.96 is: 133,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,469.89 : 386,110.01 = 88,946.96 : x
  2. Step 2: Convert to fraction form
    257,469.89/386,110.01 = 88,946.96/x
  3. Step 3: Cross multiply
    257,469.89x = 386,110.01 × 88,946.96
  4. Step 4: Simplify right side
    257,469.89x = 34,343,309,239.78
  5. Step 5: Solve for x
    x = 34,343,309,239.78/257,469.89
  6. Step 6: Final answer
    x = 133,387.67

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