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Finding the Fourth Proportional to 163,081.70, 244,622.55 and 113,315.30

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Solution

The fourth proportional to 163,081.70, 244,622.55 and 113,315.30 is: 169,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,081.70 : 244,622.55 = 113,315.30 : x
  2. Step 2: Convert to fraction form
    163,081.70/244,622.55 = 113,315.30/x
  3. Step 3: Cross multiply
    163,081.70x = 244,622.55 × 113,315.30
  4. Step 4: Simplify right side
    163,081.70x = 27,719,477,640.02
  5. Step 5: Solve for x
    x = 27,719,477,640.02/163,081.70
  6. Step 6: Final answer
    x = 169,972.95

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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.