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Finding the Fourth Proportional to 217,253.99, 325,818.78 and 75,062.07

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Solution

The fourth proportional to 217,253.99, 325,818.78 and 75,062.07 is: 112,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,253.99 : 325,818.78 = 75,062.07 : x
  2. Step 2: Convert to fraction form
    217,253.99/325,818.78 = 75,062.07/x
  3. Step 3: Cross multiply
    217,253.99x = 325,818.78 × 75,062.07
  4. Step 4: Simplify right side
    217,253.99x = 24,456,632,071.67
  5. Step 5: Solve for x
    x = 24,456,632,071.67/217,253.99
  6. Step 6: Final answer
    x = 112,571.62

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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.