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Finding the Fourth Proportional to 200,860.08, 301,101.60 and 67,647.12

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Solution

The fourth proportional to 200,860.08, 301,101.60 and 67,647.12 is: 101,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,860.08 : 301,101.60 = 67,647.12 : x
  2. Step 2: Convert to fraction form
    200,860.08/301,101.60 = 67,647.12/x
  3. Step 3: Cross multiply
    200,860.08x = 301,101.60 × 67,647.12
  4. Step 4: Simplify right side
    200,860.08x = 20,368,656,067.39
  5. Step 5: Solve for x
    x = 20,368,656,067.39/200,860.08
  6. Step 6: Final answer
    x = 101,407.19

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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.