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Finding the Fourth Proportional to 173,982.88, 260,974.32 and 42,654.88

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Solution

The fourth proportional to 173,982.88, 260,974.32 and 42,654.88 is: 63,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,982.88 : 260,974.32 = 42,654.88 : x
  2. Step 2: Convert to fraction form
    173,982.88/260,974.32 = 42,654.88/x
  3. Step 3: Cross multiply
    173,982.88x = 260,974.32 × 42,654.88
  4. Step 4: Simplify right side
    173,982.88x = 11,131,826,784.54
  5. Step 5: Solve for x
    x = 11,131,826,784.54/173,982.88
  6. Step 6: Final answer
    x = 63,982.31

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1.5x scale

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.