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Finding the Fourth Proportional to 80,203.77, 110,663.48 and 47,933.54

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Solution

The fourth proportional to 80,203.77, 110,663.48 and 47,933.54 is: 66,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,203.77 : 110,663.48 = 47,933.54 : x
  2. Step 2: Convert to fraction form
    80,203.77/110,663.48 = 47,933.54/x
  3. Step 3: Cross multiply
    80,203.77x = 110,663.48 × 47,933.54
  4. Step 4: Simplify right side
    80,203.77x = 5,304,492,326.62
  5. Step 5: Solve for x
    x = 5,304,492,326.62/80,203.77
  6. Step 6: Final answer
    x = 66,137.69

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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.