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Finding the Fourth Proportional to 104,855.48, 157,172.44 and 75,257.27

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Solution

The fourth proportional to 104,855.48, 157,172.44 and 75,257.27 is: 112,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,855.48 : 157,172.44 = 75,257.27 : x
  2. Step 2: Convert to fraction form
    104,855.48/157,172.44 = 75,257.27/x
  3. Step 3: Cross multiply
    104,855.48x = 157,172.44 × 75,257.27
  4. Step 4: Simplify right side
    104,855.48x = 11,828,368,753.64
  5. Step 5: Solve for x
    x = 11,828,368,753.64/104,855.48
  6. Step 6: Final answer
    x = 112,806.40

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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.