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Finding the Fourth Proportional to 110,859.10, 166,413.03 and 44,345.60

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Solution

The fourth proportional to 110,859.10, 166,413.03 and 44,345.60 is: 66,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.10 : 166,413.03 = 44,345.60 : x
  2. Step 2: Convert to fraction form
    110,859.10/166,413.03 = 44,345.60/x
  3. Step 3: Cross multiply
    110,859.10x = 166,413.03 × 44,345.60
  4. Step 4: Simplify right side
    110,859.10x = 7,379,685,663.17
  5. Step 5: Solve for x
    x = 7,379,685,663.17/110,859.10
  6. Step 6: Final answer
    x = 66,568.15

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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.