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Finding the Fourth Proportional to 73,988.22, 102,098.43 and 45,694.38

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Solution

The fourth proportional to 73,988.22, 102,098.43 and 45,694.38 is: 63,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,988.22 : 102,098.43 = 45,694.38 : x
  2. Step 2: Convert to fraction form
    73,988.22/102,098.43 = 45,694.38/x
  3. Step 3: Cross multiply
    73,988.22x = 102,098.43 × 45,694.38
  4. Step 4: Simplify right side
    73,988.22x = 4,665,324,457.82
  5. Step 5: Solve for x
    x = 4,665,324,457.82/73,988.22
  6. Step 6: Final answer
    x = 63,054.96

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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.