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Finding the Fourth Proportional to 169,237.81, 233,654.52 and 108,913.51

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Solution

The fourth proportional to 169,237.81, 233,654.52 and 108,913.51 is: 150,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,237.81 : 233,654.52 = 108,913.51 : x
  2. Step 2: Convert to fraction form
    169,237.81/233,654.52 = 108,913.51/x
  3. Step 3: Cross multiply
    169,237.81x = 233,654.52 × 108,913.51
  4. Step 4: Simplify right side
    169,237.81x = 25,448,134,601.06
  5. Step 5: Solve for x
    x = 25,448,134,601.06/169,237.81
  6. Step 6: Final answer
    x = 150,369.09

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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.