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Finding the Fourth Proportional to 73,173.66, 100,988.93 and 41,341.88

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Solution

The fourth proportional to 73,173.66, 100,988.93 and 41,341.88 is: 57,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,173.66 : 100,988.93 = 41,341.88 : x
  2. Step 2: Convert to fraction form
    73,173.66/100,988.93 = 41,341.88/x
  3. Step 3: Cross multiply
    73,173.66x = 100,988.93 × 41,341.88
  4. Step 4: Simplify right side
    73,173.66x = 4,175,071,513.73
  5. Step 5: Solve for x
    x = 4,175,071,513.73/73,173.66
  6. Step 6: Final answer
    x = 57,057.03

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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.