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Finding the Fourth Proportional to 344,011.89, 515,814.09 and 104,053.04

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Solution

The fourth proportional to 344,011.89, 515,814.09 and 104,053.04 is: 156,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,011.89 : 515,814.09 = 104,053.04 : x
  2. Step 2: Convert to fraction form
    344,011.89/515,814.09 = 104,053.04/x
  3. Step 3: Cross multiply
    344,011.89x = 515,814.09 × 104,053.04
  4. Step 4: Simplify right side
    344,011.89x = 53,672,021,560.26
  5. Step 5: Solve for x
    x = 53,672,021,560.26/344,011.89
  6. Step 6: Final answer
    x = 156,017.93

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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.