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Finding the Fourth Proportional to 163,472, 243,777.46 and 161,977.26

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Solution

The fourth proportional to 163,472, 243,777.46 and 161,977.26 is: 241,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,472 : 243,777.46 = 161,977.26 : x
  2. Step 2: Convert to fraction form
    163,472/243,777.46 = 161,977.26/x
  3. Step 3: Cross multiply
    163,472x = 243,777.46 × 161,977.26
  4. Step 4: Simplify right side
    163,472x = 39,486,405,020.56
  5. Step 5: Solve for x
    x = 39,486,405,020.56/163,472
  6. Step 6: Final answer
    x = 241,548.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.