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Finding the Fourth Proportional to 167,370.39, 230,869.71 and 99,342.54

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Solution

The fourth proportional to 167,370.39, 230,869.71 and 99,342.54 is: 137,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,370.39 : 230,869.71 = 99,342.54 : x
  2. Step 2: Convert to fraction form
    167,370.39/230,869.71 = 99,342.54/x
  3. Step 3: Cross multiply
    167,370.39x = 230,869.71 × 99,342.54
  4. Step 4: Simplify right side
    167,370.39x = 22,935,183,400.46
  5. Step 5: Solve for x
    x = 22,935,183,400.46/167,370.39
  6. Step 6: Final answer
    x = 137,032.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.