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Finding the Fourth Proportional to 248,167.60, 342,469.38 and 134,990.44

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Solution

The fourth proportional to 248,167.60, 342,469.38 and 134,990.44 is: 186,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,167.60 : 342,469.38 = 134,990.44 : x
  2. Step 2: Convert to fraction form
    248,167.60/342,469.38 = 134,990.44/x
  3. Step 3: Cross multiply
    248,167.60x = 342,469.38 × 134,990.44
  4. Step 4: Simplify right side
    248,167.60x = 46,230,092,292.73
  5. Step 5: Solve for x
    x = 46,230,092,292.73/248,167.60
  6. Step 6: Final answer
    x = 186,285.77

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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.