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Finding the Fourth Proportional to 163,423.44, 245,105.88 and 43,481.04

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Solution

The fourth proportional to 163,423.44, 245,105.88 and 43,481.04 is: 65,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,423.44 : 245,105.88 = 43,481.04 : x
  2. Step 2: Convert to fraction form
    163,423.44/245,105.88 = 43,481.04/x
  3. Step 3: Cross multiply
    163,423.44x = 245,105.88 × 43,481.04
  4. Step 4: Simplify right side
    163,423.44x = 10,657,458,572.52
  5. Step 5: Solve for x
    x = 10,657,458,572.52/163,423.44
  6. Step 6: Final answer
    x = 65,213.77

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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.