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Finding the Fourth Proportional to 201,662,806.10, 301,990,324.35 and 161,352,022.10

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Solution

The fourth proportional to 201,662,806.10, 301,990,324.35 and 161,352,022.10 is: 241,624,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,662,806.10 : 301,990,324.35 = 161,352,022.10 : x
  2. Step 2: Convert to fraction form
    201,662,806.10/301,990,324.35 = 161,352,022.10/x
  3. Step 3: Cross multiply
    201,662,806.10x = 301,990,324.35 × 161,352,022.10
  4. Step 4: Simplify right side
    201,662,806.10x = 48,726,749,488,507,368
  5. Step 5: Solve for x
    x = 48,726,749,488,507,368/201,662,806.10
  6. Step 6: Final answer
    x = 241,624,870.90

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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.