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Finding the Fourth Proportional to 303,057.72, 454,537.44 and 143,133.48

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Solution

The fourth proportional to 303,057.72, 454,537.44 and 143,133.48 is: 214,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,057.72 : 454,537.44 = 143,133.48 : x
  2. Step 2: Convert to fraction form
    303,057.72/454,537.44 = 143,133.48/x
  3. Step 3: Cross multiply
    303,057.72x = 454,537.44 × 143,133.48
  4. Step 4: Simplify right side
    303,057.72x = 65,059,525,577.49
  5. Step 5: Solve for x
    x = 65,059,525,577.49/303,057.72
  6. Step 6: Final answer
    x = 214,677.01

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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.