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Finding the Fourth Proportional to 84,705.70, 116,874.27 and 50,701.27

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Solution

The fourth proportional to 84,705.70, 116,874.27 and 50,701.27 is: 69,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.70 : 116,874.27 = 50,701.27 : x
  2. Step 2: Convert to fraction form
    84,705.70/116,874.27 = 50,701.27/x
  3. Step 3: Cross multiply
    84,705.70x = 116,874.27 × 50,701.27
  4. Step 4: Simplify right side
    84,705.70x = 5,925,673,665.82
  5. Step 5: Solve for x
    x = 5,925,673,665.82/84,705.70
  6. Step 6: Final answer
    x = 69,956.02

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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.