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Finding the Fourth Proportional to 163,469.52, 243,773.74 and 161,974.76

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Solution

The fourth proportional to 163,469.52, 243,773.74 and 161,974.76 is: 241,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,469.52 : 243,773.74 = 161,974.76 : x
  2. Step 2: Convert to fraction form
    163,469.52/243,773.74 = 161,974.76/x
  3. Step 3: Cross multiply
    163,469.52x = 243,773.74 × 161,974.76
  4. Step 4: Simplify right side
    163,469.52x = 39,485,193,030.80
  5. Step 5: Solve for x
    x = 39,485,193,030.80/163,469.52
  6. Step 6: Final answer
    x = 241,544.68

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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.