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Finding the Fourth Proportional to 377,638.09, 566,262.33 and 111,363.97

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Solution

The fourth proportional to 377,638.09, 566,262.33 and 111,363.97 is: 166,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,638.09 : 566,262.33 = 111,363.97 : x
  2. Step 2: Convert to fraction form
    377,638.09/566,262.33 = 111,363.97/x
  3. Step 3: Cross multiply
    377,638.09x = 566,262.33 × 111,363.97
  4. Step 4: Simplify right side
    377,638.09x = 63,061,221,130.25
  5. Step 5: Solve for x
    x = 63,061,221,130.25/377,638.09
  6. Step 6: Final answer
    x = 166,988.51

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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.