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Finding the Fourth Proportional to 344,887.67, 517,409.34 and 105,023.03

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Solution

The fourth proportional to 344,887.67, 517,409.34 and 105,023.03 is: 157,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,887.67 : 517,409.34 = 105,023.03 : x
  2. Step 2: Convert to fraction form
    344,887.67/517,409.34 = 105,023.03/x
  3. Step 3: Cross multiply
    344,887.67x = 517,409.34 × 105,023.03
  4. Step 4: Simplify right side
    344,887.67x = 54,339,897,452.78
  5. Step 5: Solve for x
    x = 54,339,897,452.78/344,887.67
  6. Step 6: Final answer
    x = 157,558.25

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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.