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Finding the Fourth Proportional to 308,789.03, 463,100.31 and 109,083.13

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Solution

The fourth proportional to 308,789.03, 463,100.31 and 109,083.13 is: 163,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,789.03 : 463,100.31 = 109,083.13 : x
  2. Step 2: Convert to fraction form
    308,789.03/463,100.31 = 109,083.13/x
  3. Step 3: Cross multiply
    308,789.03x = 463,100.31 × 109,083.13
  4. Step 4: Simplify right side
    308,789.03x = 50,516,430,161.02
  5. Step 5: Solve for x
    x = 50,516,430,161.02/308,789.03
  6. Step 6: Final answer
    x = 163,595.29

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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.