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Finding the Fourth Proportional to 173,164.60, 259,844.10 and 73,307.80

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Solution

The fourth proportional to 173,164.60, 259,844.10 and 73,307.80 is: 110,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,164.60 : 259,844.10 = 73,307.80 : x
  2. Step 2: Convert to fraction form
    173,164.60/259,844.10 = 73,307.80/x
  3. Step 3: Cross multiply
    173,164.60x = 259,844.10 × 73,307.80
  4. Step 4: Simplify right side
    173,164.60x = 19,048,599,313.98
  5. Step 5: Solve for x
    x = 19,048,599,313.98/173,164.60
  6. Step 6: Final answer
    x = 110,002.85

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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.