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Finding the Fourth Proportional to 199,417.58, 299,014.11 and 66,226.44

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Solution

The fourth proportional to 199,417.58, 299,014.11 and 66,226.44 is: 99,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,417.58 : 299,014.11 = 66,226.44 : x
  2. Step 2: Convert to fraction form
    199,417.58/299,014.11 = 66,226.44/x
  3. Step 3: Cross multiply
    199,417.58x = 299,014.11 × 66,226.44
  4. Step 4: Simplify right side
    199,417.58x = 19,802,640,015.07
  5. Step 5: Solve for x
    x = 19,802,640,015.07/199,417.58
  6. Step 6: Final answer
    x = 99,302.38

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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.