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Finding the Fourth Proportional to 200,554.17, 300,833.68 and 67,433.91

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Solution

The fourth proportional to 200,554.17, 300,833.68 and 67,433.91 is: 101,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,554.17 : 300,833.68 = 67,433.91 : x
  2. Step 2: Convert to fraction form
    200,554.17/300,833.68 = 67,433.91/x
  3. Step 3: Cross multiply
    200,554.17x = 300,833.68 × 67,433.91
  4. Step 4: Simplify right side
    200,554.17x = 20,286,391,302.09
  5. Step 5: Solve for x
    x = 20,286,391,302.09/200,554.17
  6. Step 6: Final answer
    x = 101,151.68

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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.