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Finding the Fourth Proportional to 163,954.55, 245,968.84 and 50,112.70

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Solution

The fourth proportional to 163,954.55, 245,968.84 and 50,112.70 is: 75,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,954.55 : 245,968.84 = 50,112.70 : x
  2. Step 2: Convert to fraction form
    163,954.55/245,968.84 = 50,112.70/x
  3. Step 3: Cross multiply
    163,954.55x = 245,968.84 × 50,112.70
  4. Step 4: Simplify right side
    163,954.55x = 12,326,162,688.27
  5. Step 5: Solve for x
    x = 12,326,162,688.27/163,954.55
  6. Step 6: Final answer
    x = 75,180.36

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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.