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Finding the Fourth Proportional to 167,374.75, 230,862.51 and 106,918.54

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Solution

The fourth proportional to 167,374.75, 230,862.51 and 106,918.54 is: 147,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,374.75 : 230,862.51 = 106,918.54 : x
  2. Step 2: Convert to fraction form
    167,374.75/230,862.51 = 106,918.54/x
  3. Step 3: Cross multiply
    167,374.75x = 230,862.51 × 106,918.54
  4. Step 4: Simplify right side
    167,374.75x = 24,683,482,509.94
  5. Step 5: Solve for x
    x = 24,683,482,509.94/167,374.75
  6. Step 6: Final answer
    x = 147,474.35

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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.