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Finding the Fourth Proportional to 167,313.60, 251,164.80 and 166,147.20

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Solution

The fourth proportional to 167,313.60, 251,164.80 and 166,147.20 is: 249,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,313.60 : 251,164.80 = 166,147.20 : x
  2. Step 2: Convert to fraction form
    167,313.60/251,164.80 = 166,147.20/x
  3. Step 3: Cross multiply
    167,313.60x = 251,164.80 × 166,147.20
  4. Step 4: Simplify right side
    167,313.60x = 41,730,328,258.56
  5. Step 5: Solve for x
    x = 41,730,328,258.56/167,313.60
  6. Step 6: Final answer
    x = 249,413.84

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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.