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Finding the Fourth Proportional to 164,920.86, 246,790.80 and 142,810.56

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Solution

The fourth proportional to 164,920.86, 246,790.80 and 142,810.56 is: 213,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,920.86 : 246,790.80 = 142,810.56 : x
  2. Step 2: Convert to fraction form
    164,920.86/246,790.80 = 142,810.56/x
  3. Step 3: Cross multiply
    164,920.86x = 246,790.80 × 142,810.56
  4. Step 4: Simplify right side
    164,920.86x = 35,244,332,350.85
  5. Step 5: Solve for x
    x = 35,244,332,350.85/164,920.86
  6. Step 6: Final answer
    x = 213,704.51

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1.5x scale

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.