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Finding the Fourth Proportional to 104,960.96, 157,487.91 and 55,029.11

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Solution

The fourth proportional to 104,960.96, 157,487.91 and 55,029.11 is: 82,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,960.96 : 157,487.91 = 55,029.11 : x
  2. Step 2: Convert to fraction form
    104,960.96/157,487.91 = 55,029.11/x
  3. Step 3: Cross multiply
    104,960.96x = 157,487.91 × 55,029.11
  4. Step 4: Simplify right side
    104,960.96x = 8,666,419,523.06
  5. Step 5: Solve for x
    x = 8,666,419,523.06/104,960.96
  6. Step 6: Final answer
    x = 82,568.03

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1.5x scale

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.