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Finding the Fourth Proportional to 257,167.71, 385,777.08 and 88,666.11

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Solution

The fourth proportional to 257,167.71, 385,777.08 and 88,666.11 is: 133,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,167.71 : 385,777.08 = 88,666.11 : x
  2. Step 2: Convert to fraction form
    257,167.71/385,777.08 = 88,666.11/x
  3. Step 3: Cross multiply
    257,167.71x = 385,777.08 × 88,666.11
  4. Step 4: Simplify right side
    257,167.71x = 34,205,353,010.76
  5. Step 5: Solve for x
    x = 34,205,353,010.76/257,167.71
  6. Step 6: Final answer
    x = 133,007.96

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