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Finding the Fourth Proportional to 97,620.96, 134,717.04 and 52,908.96

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Solution

The fourth proportional to 97,620.96, 134,717.04 and 52,908.96 is: 73,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,620.96 : 134,717.04 = 52,908.96 : x
  2. Step 2: Convert to fraction form
    97,620.96/134,717.04 = 52,908.96/x
  3. Step 3: Cross multiply
    97,620.96x = 134,717.04 × 52,908.96
  4. Step 4: Simplify right side
    97,620.96x = 7,127,738,480.68
  5. Step 5: Solve for x
    x = 7,127,738,480.68/97,620.96
  6. Step 6: Final answer
    x = 73,014.43

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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.