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Finding the Fourth Proportional to 80,973.84, 111,713.78 and 46,963.26

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Solution

The fourth proportional to 80,973.84, 111,713.78 and 46,963.26 is: 64,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,973.84 : 111,713.78 = 46,963.26 : x
  2. Step 2: Convert to fraction form
    80,973.84/111,713.78 = 46,963.26/x
  3. Step 3: Cross multiply
    80,973.84x = 111,713.78 × 46,963.26
  4. Step 4: Simplify right side
    80,973.84x = 5,246,443,413.13
  5. Step 5: Solve for x
    x = 5,246,443,413.13/80,973.84
  6. Step 6: Final answer
    x = 64,791.83

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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.