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Finding the Fourth Proportional to 84,859.82, 117,093.52 and 49,042.90

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Solution

The fourth proportional to 84,859.82, 117,093.52 and 49,042.90 is: 67,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,859.82 : 117,093.52 = 49,042.90 : x
  2. Step 2: Convert to fraction form
    84,859.82/117,093.52 = 49,042.90/x
  3. Step 3: Cross multiply
    84,859.82x = 117,093.52 × 49,042.90
  4. Step 4: Simplify right side
    84,859.82x = 5,742,604,961.33
  5. Step 5: Solve for x
    x = 5,742,604,961.33/84,859.82
  6. Step 6: Final answer
    x = 67,671.66

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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.