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Finding the Fourth Proportional to 223,037.44, 307,786.79 and 121,063.10

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Solution

The fourth proportional to 223,037.44, 307,786.79 and 121,063.10 is: 167,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,037.44 : 307,786.79 = 121,063.10 : x
  2. Step 2: Convert to fraction form
    223,037.44/307,786.79 = 121,063.10/x
  3. Step 3: Cross multiply
    223,037.44x = 307,786.79 × 121,063.10
  4. Step 4: Simplify right side
    223,037.44x = 37,261,621,700.17
  5. Step 5: Solve for x
    x = 37,261,621,700.17/223,037.44
  6. Step 6: Final answer
    x = 167,064.43

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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.