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Finding the Fourth Proportional to 167,413.60, 251,314.80 and 166,247.20

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Solution

The fourth proportional to 167,413.60, 251,314.80 and 166,247.20 is: 249,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,413.60 : 251,314.80 = 166,247.20 : x
  2. Step 2: Convert to fraction form
    167,413.60/251,314.80 = 166,247.20/x
  3. Step 3: Cross multiply
    167,413.60x = 251,314.80 × 166,247.20
  4. Step 4: Simplify right side
    167,413.60x = 41,780,381,818.56
  5. Step 5: Solve for x
    x = 41,780,381,818.56/167,413.60
  6. Step 6: Final answer
    x = 249,563.85

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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.