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Finding the Fourth Proportional to 337,128.93, 505,524.11 and 112,409.82

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Solution

The fourth proportional to 337,128.93, 505,524.11 and 112,409.82 is: 168,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,128.93 : 505,524.11 = 112,409.82 : x
  2. Step 2: Convert to fraction form
    337,128.93/505,524.11 = 112,409.82/x
  3. Step 3: Cross multiply
    337,128.93x = 505,524.11 × 112,409.82
  4. Step 4: Simplify right side
    337,128.93x = 56,825,873,648.71
  5. Step 5: Solve for x
    x = 56,825,873,648.71/337,128.93
  6. Step 6: Final answer
    x = 168,558.28

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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.