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Finding the Fourth Proportional to 85,003.77, 117,245.51 and 73,653.11

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Solution

The fourth proportional to 85,003.77, 117,245.51 and 73,653.11 is: 101,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,003.77 : 117,245.51 = 73,653.11 : x
  2. Step 2: Convert to fraction form
    85,003.77/117,245.51 = 73,653.11/x
  3. Step 3: Cross multiply
    85,003.77x = 117,245.51 × 73,653.11
  4. Step 4: Simplify right side
    85,003.77x = 8,635,496,206.41
  5. Step 5: Solve for x
    x = 8,635,496,206.41/85,003.77
  6. Step 6: Final answer
    x = 101,589.56

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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.