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Finding the Fourth Proportional to 187,773.39, 281,704.40 and 61,413.15

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Solution

The fourth proportional to 187,773.39, 281,704.40 and 61,413.15 is: 92,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,773.39 : 281,704.40 = 61,413.15 : x
  2. Step 2: Convert to fraction form
    187,773.39/281,704.40 = 61,413.15/x
  3. Step 3: Cross multiply
    187,773.39x = 281,704.40 × 61,413.15
  4. Step 4: Simplify right side
    187,773.39x = 17,300,355,552.49
  5. Step 5: Solve for x
    x = 17,300,355,552.49/187,773.39
  6. Step 6: Final answer
    x = 92,134.22

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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.