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Finding the Fourth Proportional to 171,043.30, 256,564.95 and 164,044.90

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Solution

The fourth proportional to 171,043.30, 256,564.95 and 164,044.90 is: 246,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,043.30 : 256,564.95 = 164,044.90 : x
  2. Step 2: Convert to fraction form
    171,043.30/256,564.95 = 164,044.90/x
  3. Step 3: Cross multiply
    171,043.30x = 256,564.95 × 164,044.90
  4. Step 4: Simplify right side
    171,043.30x = 42,088,171,566.26
  5. Step 5: Solve for x
    x = 42,088,171,566.26/171,043.30
  6. Step 6: Final answer
    x = 246,067.35

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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.