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Finding the Fourth Proportional to 264,093.35, 396,132.95 and 74,566.71

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Solution

The fourth proportional to 264,093.35, 396,132.95 and 74,566.71 is: 111,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,093.35 : 396,132.95 = 74,566.71 : x
  2. Step 2: Convert to fraction form
    264,093.35/396,132.95 = 74,566.71/x
  3. Step 3: Cross multiply
    264,093.35x = 396,132.95 × 74,566.71
  4. Step 4: Simplify right side
    264,093.35x = 29,538,330,990.51
  5. Step 5: Solve for x
    x = 29,538,330,990.51/264,093.35
  6. Step 6: Final answer
    x = 111,848.07

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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.