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Finding the Fourth Proportional to 22,147,319.30, 30,930,664.30 and 22,147,319.30

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Solution

The fourth proportional to 22,147,319.30, 30,930,664.30 and 22,147,319.30 is: 30,930,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,319.30 : 30,930,664.30 = 22,147,319.30 : x
  2. Step 2: Convert to fraction form
    22,147,319.30/30,930,664.30 = 22,147,319.30/x
  3. Step 3: Cross multiply
    22,147,319.30x = 30,930,664.30 × 22,147,319.30
  4. Step 4: Simplify right side
    22,147,319.30x = 685,031,298,413,211
  5. Step 5: Solve for x
    x = 685,031,298,413,211/22,147,319.30
  6. Step 6: Final answer
    x = 30,930,664.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.