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Finding the Fourth Proportional to 173,817.82, 239,871.99 and 113,427.10

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Solution

The fourth proportional to 173,817.82, 239,871.99 and 113,427.10 is: 156,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,817.82 : 239,871.99 = 113,427.10 : x
  2. Step 2: Convert to fraction form
    173,817.82/239,871.99 = 113,427.10/x
  3. Step 3: Cross multiply
    173,817.82x = 239,871.99 × 113,427.10
  4. Step 4: Simplify right side
    173,817.82x = 27,207,984,196.93
  5. Step 5: Solve for x
    x = 27,207,984,196.93/173,817.82
  6. Step 6: Final answer
    x = 156,531.62

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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.