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Finding the Fourth Proportional to 70,606.56, 97,401.03 and 45,086.09

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Solution

The fourth proportional to 70,606.56, 97,401.03 and 45,086.09 is: 62,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.56 : 97,401.03 = 45,086.09 : x
  2. Step 2: Convert to fraction form
    70,606.56/97,401.03 = 45,086.09/x
  3. Step 3: Cross multiply
    70,606.56x = 97,401.03 × 45,086.09
  4. Step 4: Simplify right side
    70,606.56x = 4,391,431,738.71
  5. Step 5: Solve for x
    x = 4,391,431,738.71/70,606.56
  6. Step 6: Final answer
    x = 62,195.80

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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.