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Finding the Fourth Proportional to 114,791.33, 158,410.85 and 65,726.44

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Solution

The fourth proportional to 114,791.33, 158,410.85 and 65,726.44 is: 90,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,791.33 : 158,410.85 = 65,726.44 : x
  2. Step 2: Convert to fraction form
    114,791.33/158,410.85 = 65,726.44/x
  3. Step 3: Cross multiply
    114,791.33x = 158,410.85 × 65,726.44
  4. Step 4: Simplify right side
    114,791.33x = 10,411,781,227.87
  5. Step 5: Solve for x
    x = 10,411,781,227.87/114,791.33
  6. Step 6: Final answer
    x = 90,701.81

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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.