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Finding the Fourth Proportional to 176,576.80, 264,865.20 and 81,806.80

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Solution

The fourth proportional to 176,576.80, 264,865.20 and 81,806.80 is: 122,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,576.80 : 264,865.20 = 81,806.80 : x
  2. Step 2: Convert to fraction form
    176,576.80/264,865.20 = 81,806.80/x
  3. Step 3: Cross multiply
    176,576.80x = 264,865.20 × 81,806.80
  4. Step 4: Simplify right side
    176,576.80x = 21,667,774,443.36
  5. Step 5: Solve for x
    x = 21,667,774,443.36/176,576.80
  6. Step 6: Final answer
    x = 122,710.20

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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.