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Finding the Fourth Proportional to 94,998.92, 131,120.42 and 62,739.94

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Solution

The fourth proportional to 94,998.92, 131,120.42 and 62,739.94 is: 86,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,998.92 : 131,120.42 = 62,739.94 : x
  2. Step 2: Convert to fraction form
    94,998.92/131,120.42 = 62,739.94/x
  3. Step 3: Cross multiply
    94,998.92x = 131,120.42 × 62,739.94
  4. Step 4: Simplify right side
    94,998.92x = 8,226,487,283.57
  5. Step 5: Solve for x
    x = 8,226,487,283.57/94,998.92
  6. Step 6: Final answer
    x = 86,595.59

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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.