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Finding the Fourth Proportional to 303,892.51, 455,892.24 and 116,889.43

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Solution

The fourth proportional to 303,892.51, 455,892.24 and 116,889.43 is: 175,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,892.51 : 455,892.24 = 116,889.43 : x
  2. Step 2: Convert to fraction form
    303,892.51/455,892.24 = 116,889.43/x
  3. Step 3: Cross multiply
    303,892.51x = 455,892.24 × 116,889.43
  4. Step 4: Simplify right side
    303,892.51x = 53,288,984,075.02
  5. Step 5: Solve for x
    x = 53,288,984,075.02/303,892.51
  6. Step 6: Final answer
    x = 175,354.71

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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.