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Finding the Fourth Proportional to 117,659.49, 162,370.02 and 63,944.52

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Solution

The fourth proportional to 117,659.49, 162,370.02 and 63,944.52 is: 88,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,659.49 : 162,370.02 = 63,944.52 : x
  2. Step 2: Convert to fraction form
    117,659.49/162,370.02 = 63,944.52/x
  3. Step 3: Cross multiply
    117,659.49x = 162,370.02 × 63,944.52
  4. Step 4: Simplify right side
    117,659.49x = 10,382,672,991.29
  5. Step 5: Solve for x
    x = 10,382,672,991.29/117,659.49
  6. Step 6: Final answer
    x = 88,243.40

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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.