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Finding the Fourth Proportional to 200,592,500.92, 300,865,112.30 and 55,040,779.96

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Solution

The fourth proportional to 200,592,500.92, 300,865,112.30 and 55,040,779.96 is: 82,554,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,592,500.92 : 300,865,112.30 = 55,040,779.96 : x
  2. Step 2: Convert to fraction form
    200,592,500.92/300,865,112.30 = 55,040,779.96/x
  3. Step 3: Cross multiply
    200,592,500.92x = 300,865,112.30 × 55,040,779.96
  4. Step 4: Simplify right side
    200,592,500.92x = 16,559,850,443,744,990
  5. Step 5: Solve for x
    x = 16,559,850,443,744,990/200,592,500.92
  6. Step 6: Final answer
    x = 82,554,683.59

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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.