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Finding the Fourth Proportional to 202,446,229.80, 303,669,344.70 and 148,300,386.60

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Solution

The fourth proportional to 202,446,229.80, 303,669,344.70 and 148,300,386.60 is: 222,450,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,446,229.80 : 303,669,344.70 = 148,300,386.60 : x
  2. Step 2: Convert to fraction form
    202,446,229.80/303,669,344.70 = 148,300,386.60/x
  3. Step 3: Cross multiply
    202,446,229.80x = 303,669,344.70 × 148,300,386.60
  4. Step 4: Simplify right side
    202,446,229.80x = 45,034,281,217,578,656
  5. Step 5: Solve for x
    x = 45,034,281,217,578,656/202,446,229.80
  6. Step 6: Final answer
    x = 222,450,579.90

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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.