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Finding the Fourth Proportional to 101,331.37, 139,837.44 and 61,046.83

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Solution

The fourth proportional to 101,331.37, 139,837.44 and 61,046.83 is: 84,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,331.37 : 139,837.44 = 61,046.83 : x
  2. Step 2: Convert to fraction form
    101,331.37/139,837.44 = 61,046.83/x
  3. Step 3: Cross multiply
    101,331.37x = 139,837.44 × 61,046.83
  4. Step 4: Simplify right side
    101,331.37x = 8,536,632,427.32
  5. Step 5: Solve for x
    x = 8,536,632,427.32/101,331.37
  6. Step 6: Final answer
    x = 84,244.72

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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.