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Finding the Fourth Proportional to 301,059.20, 451,588.80 and 114,060.80

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Solution

The fourth proportional to 301,059.20, 451,588.80 and 114,060.80 is: 171,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,059.20 : 451,588.80 = 114,060.80 : x
  2. Step 2: Convert to fraction form
    301,059.20/451,588.80 = 114,060.80/x
  3. Step 3: Cross multiply
    301,059.20x = 451,588.80 × 114,060.80
  4. Step 4: Simplify right side
    301,059.20x = 51,508,579,799.04
  5. Step 5: Solve for x
    x = 51,508,579,799.04/301,059.20
  6. Step 6: Final answer
    x = 171,091.20

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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.