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Finding the Fourth Proportional to 362,059,868.80, 543,089,803.20 and 89,430,635.80

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Solution

The fourth proportional to 362,059,868.80, 543,089,803.20 and 89,430,635.80 is: 134,145,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,059,868.80 : 543,089,803.20 = 89,430,635.80 : x
  2. Step 2: Convert to fraction form
    362,059,868.80/543,089,803.20 = 89,430,635.80/x
  3. Step 3: Cross multiply
    362,059,868.80x = 543,089,803.20 × 89,430,635.80
  4. Step 4: Simplify right side
    362,059,868.80x = 48,568,866,396,672,880
  5. Step 5: Solve for x
    x = 48,568,866,396,672,880/362,059,868.80
  6. Step 6: Final answer
    x = 134,145,953.70

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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.