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Finding the Fourth Proportional to 264,761.61, 397,154.57 and 129,947.64

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Solution

The fourth proportional to 264,761.61, 397,154.57 and 129,947.64 is: 194,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,761.61 : 397,154.57 = 129,947.64 : x
  2. Step 2: Convert to fraction form
    264,761.61/397,154.57 = 129,947.64/x
  3. Step 3: Cross multiply
    264,761.61x = 397,154.57 × 129,947.64
  4. Step 4: Simplify right side
    264,761.61x = 51,609,298,436.98
  5. Step 5: Solve for x
    x = 51,609,298,436.98/264,761.61
  6. Step 6: Final answer
    x = 194,927.42

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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.