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Finding the Fourth Proportional to 141,064.59, 194,654.96 and 84,474.51

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Solution

The fourth proportional to 141,064.59, 194,654.96 and 84,474.51 is: 116,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,064.59 : 194,654.96 = 84,474.51 : x
  2. Step 2: Convert to fraction form
    141,064.59/194,654.96 = 84,474.51/x
  3. Step 3: Cross multiply
    141,064.59x = 194,654.96 × 84,474.51
  4. Step 4: Simplify right side
    141,064.59x = 16,443,381,942.70
  5. Step 5: Solve for x
    x = 16,443,381,942.70/141,064.59
  6. Step 6: Final answer
    x = 116,566.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.