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Finding the Fourth Proportional to 200,708.92, 301,007.22 and 60,447.16

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Solution

The fourth proportional to 200,708.92, 301,007.22 and 60,447.16 is: 90,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,708.92 : 301,007.22 = 60,447.16 : x
  2. Step 2: Convert to fraction form
    200,708.92/301,007.22 = 60,447.16/x
  3. Step 3: Cross multiply
    200,708.92x = 301,007.22 × 60,447.16
  4. Step 4: Simplify right side
    200,708.92x = 18,195,031,588.50
  5. Step 5: Solve for x
    x = 18,195,031,588.50/200,708.92
  6. Step 6: Final answer
    x = 90,653.83

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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.