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Finding the Fourth Proportional to 163,272.40, 244,908.60 and 137,028.40

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Solution

The fourth proportional to 163,272.40, 244,908.60 and 137,028.40 is: 205,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,272.40 : 244,908.60 = 137,028.40 : x
  2. Step 2: Convert to fraction form
    163,272.40/244,908.60 = 137,028.40/x
  3. Step 3: Cross multiply
    163,272.40x = 244,908.60 × 137,028.40
  4. Step 4: Simplify right side
    163,272.40x = 33,559,433,604.24
  5. Step 5: Solve for x
    x = 33,559,433,604.24/163,272.40
  6. Step 6: Final answer
    x = 205,542.60

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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.