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Finding the Fourth Proportional to 168,667.01, 232,737.92 and 108,319.37

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Solution

The fourth proportional to 168,667.01, 232,737.92 and 108,319.37 is: 149,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,667.01 : 232,737.92 = 108,319.37 : x
  2. Step 2: Convert to fraction form
    168,667.01/232,737.92 = 108,319.37/x
  3. Step 3: Cross multiply
    168,667.01x = 232,737.92 × 108,319.37
  4. Step 4: Simplify right side
    168,667.01x = 25,210,024,869.51
  5. Step 5: Solve for x
    x = 25,210,024,869.51/168,667.01
  6. Step 6: Final answer
    x = 149,466.25

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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.