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Finding the Fourth Proportional to 303,560.10, 455,257.03 and 114,005.80

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Solution

The fourth proportional to 303,560.10, 455,257.03 and 114,005.80 is: 170,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,560.10 : 455,257.03 = 114,005.80 : x
  2. Step 2: Convert to fraction form
    303,560.10/455,257.03 = 114,005.80/x
  3. Step 3: Cross multiply
    303,560.10x = 455,257.03 × 114,005.80
  4. Step 4: Simplify right side
    303,560.10x = 51,901,943,288.20
  5. Step 5: Solve for x
    x = 51,901,943,288.20/303,560.10
  6. Step 6: Final answer
    x = 170,977.49

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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.