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Finding the Fourth Proportional to 200,167.99, 300,262.92 and 67,036.19

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Solution

The fourth proportional to 200,167.99, 300,262.92 and 67,036.19 is: 100,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,167.99 : 300,262.92 = 67,036.19 : x
  2. Step 2: Convert to fraction form
    200,167.99/300,262.92 = 67,036.19/x
  3. Step 3: Cross multiply
    200,167.99x = 300,262.92 × 67,036.19
  4. Step 4: Simplify right side
    200,167.99x = 20,128,480,402.37
  5. Step 5: Solve for x
    x = 20,128,480,402.37/200,167.99
  6. Step 6: Final answer
    x = 100,557.94

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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.