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Finding the Fourth Proportional to 74,490,269.80, 111,738,903.90 and 23,373,956.20

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Solution

The fourth proportional to 74,490,269.80, 111,738,903.90 and 23,373,956.20 is: 35,062,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,269.80 : 111,738,903.90 = 23,373,956.20 : x
  2. Step 2: Convert to fraction form
    74,490,269.80/111,738,903.90 = 23,373,956.20/x
  3. Step 3: Cross multiply
    74,490,269.80x = 111,738,903.90 × 23,373,956.20
  4. Step 4: Simplify right side
    74,490,269.80x = 2,611,780,245,594,609
  5. Step 5: Solve for x
    x = 2,611,780,245,594,609/74,490,269.80
  6. Step 6: Final answer
    x = 35,062,032.30

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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.