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Finding the Fourth Proportional to 117,435.99, 176,172.36 and 38,532.27

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Solution

The fourth proportional to 117,435.99, 176,172.36 and 38,532.27 is: 57,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,435.99 : 176,172.36 = 38,532.27 : x
  2. Step 2: Convert to fraction form
    117,435.99/176,172.36 = 38,532.27/x
  3. Step 3: Cross multiply
    117,435.99x = 176,172.36 × 38,532.27
  4. Step 4: Simplify right side
    117,435.99x = 6,788,320,942.06
  5. Step 5: Solve for x
    x = 6,788,320,942.06/117,435.99
  6. Step 6: Final answer
    x = 57,804.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.