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Finding the Fourth Proportional to 264,094.35, 396,134.45 and 74,567.71

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Solution

The fourth proportional to 264,094.35, 396,134.45 and 74,567.71 is: 111,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,094.35 : 396,134.45 = 74,567.71 : x
  2. Step 2: Convert to fraction form
    264,094.35/396,134.45 = 74,567.71/x
  3. Step 3: Cross multiply
    264,094.35x = 396,134.45 × 74,567.71
  4. Step 4: Simplify right side
    264,094.35x = 29,538,838,788.61
  5. Step 5: Solve for x
    x = 29,538,838,788.61/264,094.35
  6. Step 6: Final answer
    x = 111,849.57

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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.