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Finding the Fourth Proportional to 137,467.87, 189,249.01 and 123,296.11

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Solution

The fourth proportional to 137,467.87, 189,249.01 and 123,296.11 is: 169,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,467.87 : 189,249.01 = 123,296.11 : x
  2. Step 2: Convert to fraction form
    137,467.87/189,249.01 = 123,296.11/x
  3. Step 3: Cross multiply
    137,467.87x = 189,249.01 × 123,296.11
  4. Step 4: Simplify right side
    137,467.87x = 23,333,666,754.35
  5. Step 5: Solve for x
    x = 23,333,666,754.35/137,467.87
  6. Step 6: Final answer
    x = 169,739.06

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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.