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Finding the Fourth Proportional to 200,743.30, 301,114.95 and 67,579.30

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Solution

The fourth proportional to 200,743.30, 301,114.95 and 67,579.30 is: 101,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,743.30 : 301,114.95 = 67,579.30 : x
  2. Step 2: Convert to fraction form
    200,743.30/301,114.95 = 67,579.30/x
  3. Step 3: Cross multiply
    200,743.30x = 301,114.95 × 67,579.30
  4. Step 4: Simplify right side
    200,743.30x = 20,349,137,540.54
  5. Step 5: Solve for x
    x = 20,349,137,540.54/200,743.30
  6. Step 6: Final answer
    x = 101,368.95

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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.