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Finding the Fourth Proportional to 167,308.03, 230,869.74 and 99,313.39

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Solution

The fourth proportional to 167,308.03, 230,869.74 and 99,313.39 is: 137,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,308.03 : 230,869.74 = 99,313.39 : x
  2. Step 2: Convert to fraction form
    167,308.03/230,869.74 = 99,313.39/x
  3. Step 3: Cross multiply
    167,308.03x = 230,869.74 × 99,313.39
  4. Step 4: Simplify right side
    167,308.03x = 22,928,456,527.82
  5. Step 5: Solve for x
    x = 22,928,456,527.82/167,308.03
  6. Step 6: Final answer
    x = 137,043.37

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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.