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Finding the Fourth Proportional to 337,173.58, 505,835.70 and 126,813.34

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Solution

The fourth proportional to 337,173.58, 505,835.70 and 126,813.34 is: 190,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,173.58 : 505,835.70 = 126,813.34 : x
  2. Step 2: Convert to fraction form
    337,173.58/505,835.70 = 126,813.34/x
  3. Step 3: Cross multiply
    337,173.58x = 505,835.70 × 126,813.34
  4. Step 4: Simplify right side
    337,173.58x = 64,146,714,608.24
  5. Step 5: Solve for x
    x = 64,146,714,608.24/337,173.58
  6. Step 6: Final answer
    x = 190,248.34

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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.