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Finding the Fourth Proportional to 84,658.90, 116,844.51 and 48,843.94

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Solution

The fourth proportional to 84,658.90, 116,844.51 and 48,843.94 is: 67,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,658.90 : 116,844.51 = 48,843.94 : x
  2. Step 2: Convert to fraction form
    84,658.90/116,844.51 = 48,843.94/x
  3. Step 3: Cross multiply
    84,658.90x = 116,844.51 × 48,843.94
  4. Step 4: Simplify right side
    84,658.90x = 5,707,146,235.77
  5. Step 5: Solve for x
    x = 5,707,146,235.77/84,658.90
  6. Step 6: Final answer
    x = 67,413.42

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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.