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Finding the Fourth Proportional to 64,765.81, 97,161.81 and 27,325.97

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Solution

The fourth proportional to 64,765.81, 97,161.81 and 27,325.97 is: 40,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.81 : 97,161.81 = 27,325.97 : x
  2. Step 2: Convert to fraction form
    64,765.81/97,161.81 = 27,325.97/x
  3. Step 3: Cross multiply
    64,765.81x = 97,161.81 × 27,325.97
  4. Step 4: Simplify right side
    64,765.81x = 2,655,041,181.52
  5. Step 5: Solve for x
    x = 2,655,041,181.52/64,765.81
  6. Step 6: Final answer
    x = 40,994.49

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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.