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Finding the Fourth Proportional to 159,413.80, 239,064.82 and 47,064.04

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Solution

The fourth proportional to 159,413.80, 239,064.82 and 47,064.04 is: 70,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,413.80 : 239,064.82 = 47,064.04 : x
  2. Step 2: Convert to fraction form
    159,413.80/239,064.82 = 47,064.04/x
  3. Step 3: Cross multiply
    159,413.80x = 239,064.82 × 47,064.04
  4. Step 4: Simplify right side
    159,413.80x = 11,251,356,251.07
  5. Step 5: Solve for x
    x = 11,251,356,251.07/159,413.80
  6. Step 6: Final answer
    x = 70,579.56

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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.