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Finding the Fourth Proportional to 185,608.86, 278,413.29 and 45,367.26

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Solution

The fourth proportional to 185,608.86, 278,413.29 and 45,367.26 is: 68,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,608.86 : 278,413.29 = 45,367.26 : x
  2. Step 2: Convert to fraction form
    185,608.86/278,413.29 = 45,367.26/x
  3. Step 3: Cross multiply
    185,608.86x = 278,413.29 × 45,367.26
  4. Step 4: Simplify right side
    185,608.86x = 12,630,848,114.89
  5. Step 5: Solve for x
    x = 12,630,848,114.89/185,608.86
  6. Step 6: Final answer
    x = 68,050.89

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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.