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Finding the Fourth Proportional to 163,770.60, 245,628.42 and 45,453.96

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Solution

The fourth proportional to 163,770.60, 245,628.42 and 45,453.96 is: 68,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,770.60 : 245,628.42 = 45,453.96 : x
  2. Step 2: Convert to fraction form
    163,770.60/245,628.42 = 45,453.96/x
  3. Step 3: Cross multiply
    163,770.60x = 245,628.42 × 45,453.96
  4. Step 4: Simplify right side
    163,770.60x = 11,164,784,377.54
  5. Step 5: Solve for x
    x = 11,164,784,377.54/163,770.60
  6. Step 6: Final answer
    x = 68,173.31

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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.