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Finding the Fourth Proportional to 192,939.96, 289,437.96 and 59,830.95

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Solution

The fourth proportional to 192,939.96, 289,437.96 and 59,830.95 is: 89,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,939.96 : 289,437.96 = 59,830.95 : x
  2. Step 2: Convert to fraction form
    192,939.96/289,437.96 = 59,830.95/x
  3. Step 3: Cross multiply
    192,939.96x = 289,437.96 × 59,830.95
  4. Step 4: Simplify right side
    192,939.96x = 17,317,348,112.86
  5. Step 5: Solve for x
    x = 17,317,348,112.86/192,939.96
  6. Step 6: Final answer
    x = 89,755.11

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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.