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Finding the Fourth Proportional to 171,382.73, 257,071.33 and 46,723.73

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Solution

The fourth proportional to 171,382.73, 257,071.33 and 46,723.73 is: 70,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,382.73 : 257,071.33 = 46,723.73 : x
  2. Step 2: Convert to fraction form
    171,382.73/257,071.33 = 46,723.73/x
  3. Step 3: Cross multiply
    171,382.73x = 257,071.33 × 46,723.73
  4. Step 4: Simplify right side
    171,382.73x = 12,011,331,413.66
  5. Step 5: Solve for x
    x = 12,011,331,413.66/171,382.73
  6. Step 6: Final answer
    x = 70,084.84

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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.