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Finding the Fourth Proportional to 173,300.15, 259,913.78 and 73,463.60

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Solution

The fourth proportional to 173,300.15, 259,913.78 and 73,463.60 is: 110,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.15 : 259,913.78 = 73,463.60 : x
  2. Step 2: Convert to fraction form
    173,300.15/259,913.78 = 73,463.60/x
  3. Step 3: Cross multiply
    173,300.15x = 259,913.78 × 73,463.60
  4. Step 4: Simplify right side
    173,300.15x = 19,094,201,601.09
  5. Step 5: Solve for x
    x = 19,094,201,601.09/173,300.15
  6. Step 6: Final answer
    x = 110,179.95

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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.