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Finding the Fourth Proportional to 199,399.98, 299,000.03 and 66,233.55

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Solution

The fourth proportional to 199,399.98, 299,000.03 and 66,233.55 is: 99,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,399.98 : 299,000.03 = 66,233.55 : x
  2. Step 2: Convert to fraction form
    199,399.98/299,000.03 = 66,233.55/x
  3. Step 3: Cross multiply
    199,399.98x = 299,000.03 × 66,233.55
  4. Step 4: Simplify right side
    199,399.98x = 19,803,833,105.84
  5. Step 5: Solve for x
    x = 19,803,833,105.84/199,399.98
  6. Step 6: Final answer
    x = 99,317.13

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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.