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Finding the Fourth Proportional to 199,352.68, 299,079.54 and 66,233.64

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Solution

The fourth proportional to 199,352.68, 299,079.54 and 66,233.64 is: 99,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,352.68 : 299,079.54 = 66,233.64 : x
  2. Step 2: Convert to fraction form
    199,352.68/299,079.54 = 66,233.64/x
  3. Step 3: Cross multiply
    199,352.68x = 299,079.54 × 66,233.64
  4. Step 4: Simplify right side
    199,352.68x = 19,809,126,583.73
  5. Step 5: Solve for x
    x = 19,809,126,583.73/199,352.68
  6. Step 6: Final answer
    x = 99,367.24

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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.