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Finding the Fourth Proportional to 29,847,770.40, 44,749,537.20 and 20,239,168.80

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Solution

The fourth proportional to 29,847,770.40, 44,749,537.20 and 20,239,168.80 is: 30,343,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,847,770.40 : 44,749,537.20 = 20,239,168.80 : x
  2. Step 2: Convert to fraction form
    29,847,770.40/44,749,537.20 = 20,239,168.80/x
  3. Step 3: Cross multiply
    29,847,770.40x = 44,749,537.20 × 20,239,168.80
  4. Step 4: Simplify right side
    29,847,770.40x = 905,693,437,112,679.50
  5. Step 5: Solve for x
    x = 905,693,437,112,679.50/29,847,770.40
  6. Step 6: Final answer
    x = 30,343,755.16

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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.