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Finding the Fourth Proportional to 67,160.77, 100,741.23 and 25,040.21

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Solution

The fourth proportional to 67,160.77, 100,741.23 and 25,040.21 is: 37,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,160.77 : 100,741.23 = 25,040.21 : x
  2. Step 2: Convert to fraction form
    67,160.77/100,741.23 = 25,040.21/x
  3. Step 3: Cross multiply
    67,160.77x = 100,741.23 × 25,040.21
  4. Step 4: Simplify right side
    67,160.77x = 2,522,581,051.15
  5. Step 5: Solve for x
    x = 2,522,581,051.15/67,160.77
  6. Step 6: Final answer
    x = 37,560.34

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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.