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Finding the Fourth Proportional to 176,556.20, 264,936.70 and 65,759.40

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Solution

The fourth proportional to 176,556.20, 264,936.70 and 65,759.40 is: 98,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,556.20 : 264,936.70 = 65,759.40 : x
  2. Step 2: Convert to fraction form
    176,556.20/264,936.70 = 65,759.40/x
  3. Step 3: Cross multiply
    176,556.20x = 264,936.70 × 65,759.40
  4. Step 4: Simplify right side
    176,556.20x = 17,422,078,429.98
  5. Step 5: Solve for x
    x = 17,422,078,429.98/176,556.20
  6. Step 6: Final answer
    x = 98,677.24

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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.