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Finding the Fourth Proportional to 173,164.56, 259,774.16 and 73,325.32

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Solution

The fourth proportional to 173,164.56, 259,774.16 and 73,325.32 is: 109,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,164.56 : 259,774.16 = 73,325.32 : x
  2. Step 2: Convert to fraction form
    173,164.56/259,774.16 = 73,325.32/x
  3. Step 3: Cross multiply
    173,164.56x = 259,774.16 × 73,325.32
  4. Step 4: Simplify right side
    173,164.56x = 19,048,023,409.73
  5. Step 5: Solve for x
    x = 19,048,023,409.73/173,164.56
  6. Step 6: Final answer
    x = 109,999.55

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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.