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Finding the Fourth Proportional to 104,857.48, 157,175.44 and 75,259.27

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Solution

The fourth proportional to 104,857.48, 157,175.44 and 75,259.27 is: 112,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.48 : 157,175.44 = 75,259.27 : x
  2. Step 2: Convert to fraction form
    104,857.48/157,175.44 = 75,259.27/x
  3. Step 3: Cross multiply
    104,857.48x = 157,175.44 × 75,259.27
  4. Step 4: Simplify right side
    104,857.48x = 11,828,908,876.33
  5. Step 5: Solve for x
    x = 11,828,908,876.33/104,857.48
  6. Step 6: Final answer
    x = 112,809.39

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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.