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Finding the Fourth Proportional to 115,579.36, 173,375.04 and 36,699.76

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Solution

The fourth proportional to 115,579.36, 173,375.04 and 36,699.76 is: 55,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,579.36 : 173,375.04 = 36,699.76 : x
  2. Step 2: Convert to fraction form
    115,579.36/173,375.04 = 36,699.76/x
  3. Step 3: Cross multiply
    115,579.36x = 173,375.04 × 36,699.76
  4. Step 4: Simplify right side
    115,579.36x = 6,362,822,357.99
  5. Step 5: Solve for x
    x = 6,362,822,357.99/115,579.36
  6. Step 6: Final answer
    x = 55,051.55

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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.