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Finding the Fourth Proportional to 251,268, 376,948.17 and 82,798.26

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Solution

The fourth proportional to 251,268, 376,948.17 and 82,798.26 is: 124,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,268 : 376,948.17 = 82,798.26 : x
  2. Step 2: Convert to fraction form
    251,268/376,948.17 = 82,798.26/x
  3. Step 3: Cross multiply
    251,268x = 376,948.17 × 82,798.26
  4. Step 4: Simplify right side
    251,268x = 31,210,652,586.18
  5. Step 5: Solve for x
    x = 31,210,652,586.18/251,268
  6. Step 6: Final answer
    x = 124,212.60

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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.