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Finding the Fourth Proportional to 167,725.60, 251,726.10 and 166,413.40

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Solution

The fourth proportional to 167,725.60, 251,726.10 and 166,413.40 is: 249,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,725.60 : 251,726.10 = 166,413.40 : x
  2. Step 2: Convert to fraction form
    167,725.60/251,726.10 = 166,413.40/x
  3. Step 3: Cross multiply
    167,725.60x = 251,726.10 × 166,413.40
  4. Step 4: Simplify right side
    167,725.60x = 41,890,596,169.74
  5. Step 5: Solve for x
    x = 41,890,596,169.74/167,725.60
  6. Step 6: Final answer
    x = 249,756.72

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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.