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Finding the Fourth Proportional to 181,471.38, 250,413.38 and 104,978.22

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Solution

The fourth proportional to 181,471.38, 250,413.38 and 104,978.22 is: 144,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,471.38 : 250,413.38 = 104,978.22 : x
  2. Step 2: Convert to fraction form
    181,471.38/250,413.38 = 104,978.22/x
  3. Step 3: Cross multiply
    181,471.38x = 250,413.38 × 104,978.22
  4. Step 4: Simplify right side
    181,471.38x = 26,287,950,896.58
  5. Step 5: Solve for x
    x = 26,287,950,896.58/181,471.38
  6. Step 6: Final answer
    x = 144,860.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.