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Finding the Fourth Proportional to 61,174.21, 84,413.81 and 35,331.16

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Solution

The fourth proportional to 61,174.21, 84,413.81 and 35,331.16 is: 48,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,174.21 : 84,413.81 = 35,331.16 : x
  2. Step 2: Convert to fraction form
    61,174.21/84,413.81 = 35,331.16/x
  3. Step 3: Cross multiply
    61,174.21x = 84,413.81 × 35,331.16
  4. Step 4: Simplify right side
    61,174.21x = 2,982,437,827.32
  5. Step 5: Solve for x
    x = 2,982,437,827.32/61,174.21
  6. Step 6: Final answer
    x = 48,753.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.