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Finding the Fourth Proportional to 303,902.88, 455,873.75 and 116,914.38

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Solution

The fourth proportional to 303,902.88, 455,873.75 and 116,914.38 is: 175,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,902.88 : 455,873.75 = 116,914.38 : x
  2. Step 2: Convert to fraction form
    303,902.88/455,873.75 = 116,914.38/x
  3. Step 3: Cross multiply
    303,902.88x = 455,873.75 × 116,914.38
  4. Step 4: Simplify right side
    303,902.88x = 53,298,193,975.58
  5. Step 5: Solve for x
    x = 53,298,193,975.58/303,902.88
  6. Step 6: Final answer
    x = 175,379.04

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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.