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Finding the Fourth Proportional to 163,794.85, 245,751.38 and 57,194.51

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Solution

The fourth proportional to 163,794.85, 245,751.38 and 57,194.51 is: 85,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,794.85 : 245,751.38 = 57,194.51 : x
  2. Step 2: Convert to fraction form
    163,794.85/245,751.38 = 57,194.51/x
  3. Step 3: Cross multiply
    163,794.85x = 245,751.38 × 57,194.51
  4. Step 4: Simplify right side
    163,794.85x = 14,055,629,760.92
  5. Step 5: Solve for x
    x = 14,055,629,760.92/163,794.85
  6. Step 6: Final answer
    x = 85,812.40

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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.