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Finding the Fourth Proportional to 303,196,957.70, 454,795,480.20 and 73,166,043.20

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Solution

The fourth proportional to 303,196,957.70, 454,795,480.20 and 73,166,043.20 is: 109,749,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,196,957.70 : 454,795,480.20 = 73,166,043.20 : x
  2. Step 2: Convert to fraction form
    303,196,957.70/454,795,480.20 = 73,166,043.20/x
  3. Step 3: Cross multiply
    303,196,957.70x = 454,795,480.20 × 73,166,043.20
  4. Step 4: Simplify right side
    303,196,957.70x = 33,275,585,751,477,944
  5. Step 5: Solve for x
    x = 33,275,585,751,477,944/303,196,957.70
  6. Step 6: Final answer
    x = 109,749,075.33

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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.