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Finding the Fourth Proportional to 220,110,540.55, 330,165,810.83 and 220,110,540.55

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Solution

The fourth proportional to 220,110,540.55, 330,165,810.83 and 220,110,540.55 is: 330,165,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,110,540.55 : 330,165,810.83 = 220,110,540.55 : x
  2. Step 2: Convert to fraction form
    220,110,540.55/330,165,810.83 = 220,110,540.55/x
  3. Step 3: Cross multiply
    220,110,540.55x = 330,165,810.83 × 220,110,540.55
  4. Step 4: Simplify right side
    220,110,540.55x = 72,672,975,092,920,352
  5. Step 5: Solve for x
    x = 72,672,975,092,920,352/220,110,540.55
  6. Step 6: Final answer
    x = 330,165,810.83

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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.