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Finding the Fourth Proportional to 170,174.94, 255,300.48 and 51,855.54

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Solution

The fourth proportional to 170,174.94, 255,300.48 and 51,855.54 is: 77,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,174.94 : 255,300.48 = 51,855.54 : x
  2. Step 2: Convert to fraction form
    170,174.94/255,300.48 = 51,855.54/x
  3. Step 3: Cross multiply
    170,174.94x = 255,300.48 × 51,855.54
  4. Step 4: Simplify right side
    170,174.94x = 13,238,744,252.66
  5. Step 5: Solve for x
    x = 13,238,744,252.66/170,174.94
  6. Step 6: Final answer
    x = 77,794.91

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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.