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Finding the Fourth Proportional to 92,606.56, 138,881.12 and 33,434.48

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Solution

The fourth proportional to 92,606.56, 138,881.12 and 33,434.48 is: 50,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,606.56 : 138,881.12 = 33,434.48 : x
  2. Step 2: Convert to fraction form
    92,606.56/138,881.12 = 33,434.48/x
  3. Step 3: Cross multiply
    92,606.56x = 138,881.12 × 33,434.48
  4. Step 4: Simplify right side
    92,606.56x = 4,643,418,029.02
  5. Step 5: Solve for x
    x = 4,643,418,029.02/92,606.56
  6. Step 6: Final answer
    x = 50,141.35

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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.