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Finding the Fourth Proportional to 294,132.60, 405,912.06 and 166,813.56

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Solution

The fourth proportional to 294,132.60, 405,912.06 and 166,813.56 is: 230,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,132.60 : 405,912.06 = 166,813.56 : x
  2. Step 2: Convert to fraction form
    294,132.60/405,912.06 = 166,813.56/x
  3. Step 3: Cross multiply
    294,132.60x = 405,912.06 × 166,813.56
  4. Step 4: Simplify right side
    294,132.60x = 67,711,635,775.53
  5. Step 5: Solve for x
    x = 67,711,635,775.53/294,132.60
  6. Step 6: Final answer
    x = 230,207.86

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1.5x scale

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.