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Finding the Fourth Proportional to 337,130.83, 505,770.09 and 126,768.77

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Solution

The fourth proportional to 337,130.83, 505,770.09 and 126,768.77 is: 190,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,130.83 : 505,770.09 = 126,768.77 : x
  2. Step 2: Convert to fraction form
    337,130.83/505,770.09 = 126,768.77/x
  3. Step 3: Cross multiply
    337,130.83x = 505,770.09 × 126,768.77
  4. Step 4: Simplify right side
    337,130.83x = 64,115,849,049.40
  5. Step 5: Solve for x
    x = 64,115,849,049.40/337,130.83
  6. Step 6: Final answer
    x = 190,180.92

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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.