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Finding the Fourth Proportional to 269,216.60, 403,047.30 and 164,240.60

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Solution

The fourth proportional to 269,216.60, 403,047.30 and 164,240.60 is: 245,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,216.60 : 403,047.30 = 164,240.60 : x
  2. Step 2: Convert to fraction form
    269,216.60/403,047.30 = 164,240.60/x
  3. Step 3: Cross multiply
    269,216.60x = 403,047.30 × 164,240.60
  4. Step 4: Simplify right side
    269,216.60x = 66,196,730,380.38
  5. Step 5: Solve for x
    x = 66,196,730,380.38/269,216.60
  6. Step 6: Final answer
    x = 245,886.51

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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.