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Finding the Fourth Proportional to 73,176.21, 100,982.43 and 41,344.83

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Solution

The fourth proportional to 73,176.21, 100,982.43 and 41,344.83 is: 57,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,176.21 : 100,982.43 = 41,344.83 : x
  2. Step 2: Convert to fraction form
    73,176.21/100,982.43 = 41,344.83/x
  3. Step 3: Cross multiply
    73,176.21x = 100,982.43 × 41,344.83
  4. Step 4: Simplify right side
    73,176.21x = 4,175,101,401.34
  5. Step 5: Solve for x
    x = 4,175,101,401.34/73,176.21
  6. Step 6: Final answer
    x = 57,055.45

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1.5x scale

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.