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Finding the Fourth Proportional to 65,050.66, 89,769.56 and 36,370.31

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Solution

The fourth proportional to 65,050.66, 89,769.56 and 36,370.31 is: 50,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,050.66 : 89,769.56 = 36,370.31 : x
  2. Step 2: Convert to fraction form
    65,050.66/89,769.56 = 36,370.31/x
  3. Step 3: Cross multiply
    65,050.66x = 89,769.56 × 36,370.31
  4. Step 4: Simplify right side
    65,050.66x = 3,264,946,768.34
  5. Step 5: Solve for x
    x = 3,264,946,768.34/65,050.66
  6. Step 6: Final answer
    x = 50,190.83

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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.