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Finding the Fourth Proportional to 240,509,431.80, 360,764,147.70 and 119,577,079.80

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Solution

The fourth proportional to 240,509,431.80, 360,764,147.70 and 119,577,079.80 is: 179,365,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,509,431.80 : 360,764,147.70 = 119,577,079.80 : x
  2. Step 2: Convert to fraction form
    240,509,431.80/360,764,147.70 = 119,577,079.80/x
  3. Step 3: Cross multiply
    240,509,431.80x = 360,764,147.70 × 119,577,079.80
  4. Step 4: Simplify right side
    240,509,431.80x = 43,139,123,278,501,880
  5. Step 5: Solve for x
    x = 43,139,123,278,501,880/240,509,431.80
  6. Step 6: Final answer
    x = 179,365,619.70

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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.