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Finding the Fourth Proportional to 167,254.81, 250,775.60 and 71,140.41

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Solution

The fourth proportional to 167,254.81, 250,775.60 and 71,140.41 is: 106,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,254.81 : 250,775.60 = 71,140.41 : x
  2. Step 2: Convert to fraction form
    167,254.81/250,775.60 = 71,140.41/x
  3. Step 3: Cross multiply
    167,254.81x = 250,775.60 × 71,140.41
  4. Step 4: Simplify right side
    167,254.81x = 17,840,278,646.29
  5. Step 5: Solve for x
    x = 17,840,278,646.29/167,254.81
  6. Step 6: Final answer
    x = 106,665.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.