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Finding the Fourth Proportional to 101,544.98, 140,137.25 and 56,227.97

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Solution

The fourth proportional to 101,544.98, 140,137.25 and 56,227.97 is: 77,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.98 : 140,137.25 = 56,227.97 : x
  2. Step 2: Convert to fraction form
    101,544.98/140,137.25 = 56,227.97/x
  3. Step 3: Cross multiply
    101,544.98x = 140,137.25 × 56,227.97
  4. Step 4: Simplify right side
    101,544.98x = 7,879,633,158.09
  5. Step 5: Solve for x
    x = 7,879,633,158.09/101,544.98
  6. Step 6: Final answer
    x = 77,597.47

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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.