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Finding the Fourth Proportional to 202,390.46, 303,514.38 and 67,417.94

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Solution

The fourth proportional to 202,390.46, 303,514.38 and 67,417.94 is: 101,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,390.46 : 303,514.38 = 67,417.94 : x
  2. Step 2: Convert to fraction form
    202,390.46/303,514.38 = 67,417.94/x
  3. Step 3: Cross multiply
    202,390.46x = 303,514.38 × 67,417.94
  4. Step 4: Simplify right side
    202,390.46x = 20,462,314,259.98
  5. Step 5: Solve for x
    x = 20,462,314,259.98/202,390.46
  6. Step 6: Final answer
    x = 101,103.16

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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.