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Finding the Fourth Proportional to 238,843.95, 329,596.47 and 131,413.11

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Solution

The fourth proportional to 238,843.95, 329,596.47 and 131,413.11 is: 181,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,843.95 : 329,596.47 = 131,413.11 : x
  2. Step 2: Convert to fraction form
    238,843.95/329,596.47 = 131,413.11/x
  3. Step 3: Cross multiply
    238,843.95x = 329,596.47 × 131,413.11
  4. Step 4: Simplify right side
    238,843.95x = 43,313,297,167.72
  5. Step 5: Solve for x
    x = 43,313,297,167.72/238,843.95
  6. Step 6: Final answer
    x = 181,345.59

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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.