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Finding the Fourth Proportional to 303,891.51, 455,890.74 and 116,888.43

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Solution

The fourth proportional to 303,891.51, 455,890.74 and 116,888.43 is: 175,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,891.51 : 455,890.74 = 116,888.43 : x
  2. Step 2: Convert to fraction form
    303,891.51/455,890.74 = 116,888.43/x
  3. Step 3: Cross multiply
    303,891.51x = 455,890.74 × 116,888.43
  4. Step 4: Simplify right side
    303,891.51x = 53,288,352,850.14
  5. Step 5: Solve for x
    x = 53,288,352,850.14/303,891.51
  6. Step 6: Final answer
    x = 175,353.21

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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.