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Finding the Fourth Proportional to 199,969.68, 299,862.12 and 73,578.24

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Solution

The fourth proportional to 199,969.68, 299,862.12 and 73,578.24 is: 110,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,969.68 : 299,862.12 = 73,578.24 : x
  2. Step 2: Convert to fraction form
    199,969.68/299,862.12 = 73,578.24/x
  3. Step 3: Cross multiply
    199,969.68x = 299,862.12 × 73,578.24
  4. Step 4: Simplify right side
    199,969.68x = 22,063,327,032.27
  5. Step 5: Solve for x
    x = 22,063,327,032.27/199,969.68
  6. Step 6: Final answer
    x = 110,333.36

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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.