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Finding the Fourth Proportional to 170,662.89, 255,974.34 and 107,295.93

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Solution

The fourth proportional to 170,662.89, 255,974.34 and 107,295.93 is: 160,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,662.89 : 255,974.34 = 107,295.93 : x
  2. Step 2: Convert to fraction form
    170,662.89/255,974.34 = 107,295.93/x
  3. Step 3: Cross multiply
    170,662.89x = 255,974.34 × 107,295.93
  4. Step 4: Simplify right side
    170,662.89x = 27,465,004,456.18
  5. Step 5: Solve for x
    x = 27,465,004,456.18/170,662.89
  6. Step 6: Final answer
    x = 160,931.32

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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.