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Finding the Fourth Proportional to 163,073.84, 244,694.25 and 74,315.93

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Solution

The fourth proportional to 163,073.84, 244,694.25 and 74,315.93 is: 111,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,073.84 : 244,694.25 = 74,315.93 : x
  2. Step 2: Convert to fraction form
    163,073.84/244,694.25 = 74,315.93/x
  3. Step 3: Cross multiply
    163,073.84x = 244,694.25 × 74,315.93
  4. Step 4: Simplify right side
    163,073.84x = 18,184,679,530.93
  5. Step 5: Solve for x
    x = 18,184,679,530.93/163,073.84
  6. Step 6: Final answer
    x = 111,511.94

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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.