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Finding the Fourth Proportional to 200,699.38, 301,069.95 and 67,594.42

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Solution

The fourth proportional to 200,699.38, 301,069.95 and 67,594.42 is: 101,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,699.38 : 301,069.95 = 67,594.42 : x
  2. Step 2: Convert to fraction form
    200,699.38/301,069.95 = 67,594.42/x
  3. Step 3: Cross multiply
    200,699.38x = 301,069.95 × 67,594.42
  4. Step 4: Simplify right side
    200,699.38x = 20,350,648,649.68
  5. Step 5: Solve for x
    x = 20,350,648,649.68/200,699.38
  6. Step 6: Final answer
    x = 101,398.66

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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.