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Finding the Fourth Proportional to 103,747.74, 155,646.66 and 36,269.67

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Solution

The fourth proportional to 103,747.74, 155,646.66 and 36,269.67 is: 54,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747.74 : 155,646.66 = 36,269.67 : x
  2. Step 2: Convert to fraction form
    103,747.74/155,646.66 = 36,269.67/x
  3. Step 3: Cross multiply
    103,747.74x = 155,646.66 × 36,269.67
  4. Step 4: Simplify right side
    103,747.74x = 5,645,253,714.49
  5. Step 5: Solve for x
    x = 5,645,253,714.49/103,747.74
  6. Step 6: Final answer
    x = 54,413.27

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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.