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Finding the Fourth Proportional to 97,247.94, 134,165.96 and 65,366.34

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Solution

The fourth proportional to 97,247.94, 134,165.96 and 65,366.34 is: 90,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,247.94 : 134,165.96 = 65,366.34 : x
  2. Step 2: Convert to fraction form
    97,247.94/134,165.96 = 65,366.34/x
  3. Step 3: Cross multiply
    97,247.94x = 134,165.96 × 65,366.34
  4. Step 4: Simplify right side
    97,247.94x = 8,769,937,757.79
  5. Step 5: Solve for x
    x = 8,769,937,757.79/97,247.94
  6. Step 6: Final answer
    x = 90,181.22

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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.