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Finding the Fourth Proportional to 163,040.80, 244,561.20 and 106,907.80

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Solution

The fourth proportional to 163,040.80, 244,561.20 and 106,907.80 is: 160,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,040.80 : 244,561.20 = 106,907.80 : x
  2. Step 2: Convert to fraction form
    163,040.80/244,561.20 = 106,907.80/x
  3. Step 3: Cross multiply
    163,040.80x = 244,561.20 × 106,907.80
  4. Step 4: Simplify right side
    163,040.80x = 26,145,499,857.36
  5. Step 5: Solve for x
    x = 26,145,499,857.36/163,040.80
  6. Step 6: Final answer
    x = 160,361.70

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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.