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Finding the Fourth Proportional to 168,871.04, 253,596.33 and 149,938.46

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Solution

The fourth proportional to 168,871.04, 253,596.33 and 149,938.46 is: 225,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,871.04 : 253,596.33 = 149,938.46 : x
  2. Step 2: Convert to fraction form
    168,871.04/253,596.33 = 149,938.46/x
  3. Step 3: Cross multiply
    168,871.04x = 253,596.33 × 149,938.46
  4. Step 4: Simplify right side
    168,871.04x = 38,023,841,913.87
  5. Step 5: Solve for x
    x = 38,023,841,913.87/168,871.04
  6. Step 6: Final answer
    x = 225,164.97

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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.