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Finding the Fourth Proportional to 115,769, 173,676.06 and 49,208.36

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Solution

The fourth proportional to 115,769, 173,676.06 and 49,208.36 is: 73,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,769 : 173,676.06 = 49,208.36 : x
  2. Step 2: Convert to fraction form
    115,769/173,676.06 = 49,208.36/x
  3. Step 3: Cross multiply
    115,769x = 173,676.06 × 49,208.36
  4. Step 4: Simplify right side
    115,769x = 8,546,314,083.86
  5. Step 5: Solve for x
    x = 8,546,314,083.86/115,769
  6. Step 6: Final answer
    x = 73,822.13

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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.