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Finding the Fourth Proportional to 192,702.95, 289,094.32 and 57,761.57

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Solution

The fourth proportional to 192,702.95, 289,094.32 and 57,761.57 is: 86,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,702.95 : 289,094.32 = 57,761.57 : x
  2. Step 2: Convert to fraction form
    192,702.95/289,094.32 = 57,761.57/x
  3. Step 3: Cross multiply
    192,702.95x = 289,094.32 × 57,761.57
  4. Step 4: Simplify right side
    192,702.95x = 16,698,541,656.88
  5. Step 5: Solve for x
    x = 16,698,541,656.88/192,702.95
  6. Step 6: Final answer
    x = 86,654.31

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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.