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Finding the Fourth Proportional to 217,999.99, 326,996.74 and 60,224.95

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Solution

The fourth proportional to 217,999.99, 326,996.74 and 60,224.95 is: 90,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,999.99 : 326,996.74 = 60,224.95 : x
  2. Step 2: Convert to fraction form
    217,999.99/326,996.74 = 60,224.95/x
  3. Step 3: Cross multiply
    217,999.99x = 326,996.74 × 60,224.95
  4. Step 4: Simplify right side
    217,999.99x = 19,693,362,316.66
  5. Step 5: Solve for x
    x = 19,693,362,316.66/217,999.99
  6. Step 6: Final answer
    x = 90,336.53

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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.