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Finding the Fourth Proportional to 173,253.94, 259,984.59 and 74,757.94

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Solution

The fourth proportional to 173,253.94, 259,984.59 and 74,757.94 is: 112,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,253.94 : 259,984.59 = 74,757.94 : x
  2. Step 2: Convert to fraction form
    173,253.94/259,984.59 = 74,757.94/x
  3. Step 3: Cross multiply
    173,253.94x = 259,984.59 × 74,757.94
  4. Step 4: Simplify right side
    173,253.94x = 19,435,911,449.84
  5. Step 5: Solve for x
    x = 19,435,911,449.84/173,253.94
  6. Step 6: Final answer
    x = 112,181.64

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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.