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Finding the Fourth Proportional to 170,579.98, 255,449.48 and 107,242.98

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Solution

The fourth proportional to 170,579.98, 255,449.48 and 107,242.98 is: 160,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,579.98 : 255,449.48 = 107,242.98 : x
  2. Step 2: Convert to fraction form
    170,579.98/255,449.48 = 107,242.98/x
  3. Step 3: Cross multiply
    170,579.98x = 255,449.48 × 107,242.98
  4. Step 4: Simplify right side
    170,579.98x = 27,395,163,474.65
  5. Step 5: Solve for x
    x = 27,395,163,474.65/170,579.98
  6. Step 6: Final answer
    x = 160,600.11

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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.