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Finding the Fourth Proportional to 268,951.96, 403,427.88 and 79,414.84

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Solution

The fourth proportional to 268,951.96, 403,427.88 and 79,414.84 is: 119,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,951.96 : 403,427.88 = 79,414.84 : x
  2. Step 2: Convert to fraction form
    268,951.96/403,427.88 = 79,414.84/x
  3. Step 3: Cross multiply
    268,951.96x = 403,427.88 × 79,414.84
  4. Step 4: Simplify right side
    268,951.96x = 32,038,160,541.74
  5. Step 5: Solve for x
    x = 32,038,160,541.74/268,951.96
  6. Step 6: Final answer
    x = 119,122.24

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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.