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Finding the Fourth Proportional to 174,604.80, 261,907.20 and 49,945.80

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Solution

The fourth proportional to 174,604.80, 261,907.20 and 49,945.80 is: 74,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,604.80 : 261,907.20 = 49,945.80 : x
  2. Step 2: Convert to fraction form
    174,604.80/261,907.20 = 49,945.80/x
  3. Step 3: Cross multiply
    174,604.80x = 261,907.20 × 49,945.80
  4. Step 4: Simplify right side
    174,604.80x = 13,081,164,629.76
  5. Step 5: Solve for x
    x = 13,081,164,629.76/174,604.80
  6. Step 6: Final answer
    x = 74,918.70

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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.