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Finding the Fourth Proportional to 97,646.17, 146,469.25 and 92,659.81

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Solution

The fourth proportional to 97,646.17, 146,469.25 and 92,659.81 is: 138,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,646.17 : 146,469.25 = 92,659.81 : x
  2. Step 2: Convert to fraction form
    97,646.17/146,469.25 = 92,659.81/x
  3. Step 3: Cross multiply
    97,646.17x = 146,469.25 × 92,659.81
  4. Step 4: Simplify right side
    97,646.17x = 13,571,811,911.85
  5. Step 5: Solve for x
    x = 13,571,811,911.85/97,646.17
  6. Step 6: Final answer
    x = 138,989.71

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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.