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Finding the Fourth Proportional to 164,570.94, 246,265.92 and 138,195.72

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Solution

The fourth proportional to 164,570.94, 246,265.92 and 138,195.72 is: 206,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,570.94 : 246,265.92 = 138,195.72 : x
  2. Step 2: Convert to fraction form
    164,570.94/246,265.92 = 138,195.72/x
  3. Step 3: Cross multiply
    164,570.94x = 246,265.92 × 138,195.72
  4. Step 4: Simplify right side
    164,570.94x = 34,032,896,125.86
  5. Step 5: Solve for x
    x = 34,032,896,125.86/164,570.94
  6. Step 6: Final answer
    x = 206,797.73

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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.