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Finding the Fourth Proportional to 303,537.69, 455,355.81 and 114,012.81

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Solution

The fourth proportional to 303,537.69, 455,355.81 and 114,012.81 is: 171,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,537.69 : 455,355.81 = 114,012.81 : x
  2. Step 2: Convert to fraction form
    303,537.69/455,355.81 = 114,012.81/x
  3. Step 3: Cross multiply
    303,537.69x = 455,355.81 × 114,012.81
  4. Step 4: Simplify right side
    303,537.69x = 51,916,395,447.93
  5. Step 5: Solve for x
    x = 51,916,395,447.93/303,537.69
  6. Step 6: Final answer
    x = 171,037.72

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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.