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Finding the Fourth Proportional to 199,500.30, 299,040.12 and 66,344.94

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Solution

The fourth proportional to 199,500.30, 299,040.12 and 66,344.94 is: 99,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,500.30 : 299,040.12 = 66,344.94 : x
  2. Step 2: Convert to fraction form
    199,500.30/299,040.12 = 66,344.94/x
  3. Step 3: Cross multiply
    199,500.30x = 299,040.12 × 66,344.94
  4. Step 4: Simplify right side
    199,500.30x = 19,839,798,818.99
  5. Step 5: Solve for x
    x = 19,839,798,818.99/199,500.30
  6. Step 6: Final answer
    x = 99,447.46

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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.