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Finding the Fourth Proportional to 303,873.69, 455,810.87 and 79,233.93

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Solution

The fourth proportional to 303,873.69, 455,810.87 and 79,233.93 is: 118,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,873.69 : 455,810.87 = 79,233.93 : x
  2. Step 2: Convert to fraction form
    303,873.69/455,810.87 = 79,233.93/x
  3. Step 3: Cross multiply
    303,873.69x = 455,810.87 × 79,233.93
  4. Step 4: Simplify right side
    303,873.69x = 36,115,686,170.65
  5. Step 5: Solve for x
    x = 36,115,686,170.65/303,873.69
  6. Step 6: Final answer
    x = 118,850.98

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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.