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Finding the Fourth Proportional to 199,812.37, 299,523.75 and 79,833.55

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Solution

The fourth proportional to 199,812.37, 299,523.75 and 79,833.55 is: 119,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,812.37 : 299,523.75 = 79,833.55 : x
  2. Step 2: Convert to fraction form
    199,812.37/299,523.75 = 79,833.55/x
  3. Step 3: Cross multiply
    199,812.37x = 299,523.75 × 79,833.55
  4. Step 4: Simplify right side
    199,812.37x = 23,912,044,271.81
  5. Step 5: Solve for x
    x = 23,912,044,271.81/199,812.37
  6. Step 6: Final answer
    x = 119,672.49

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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.