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Finding the Fourth Proportional to 59,356.44, 81,915.84 and 34,207.56

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Solution

The fourth proportional to 59,356.44, 81,915.84 and 34,207.56 is: 47,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,356.44 : 81,915.84 = 34,207.56 : x
  2. Step 2: Convert to fraction form
    59,356.44/81,915.84 = 34,207.56/x
  3. Step 3: Cross multiply
    59,356.44x = 81,915.84 × 34,207.56
  4. Step 4: Simplify right side
    59,356.44x = 2,802,141,011.75
  5. Step 5: Solve for x
    x = 2,802,141,011.75/59,356.44
  6. Step 6: Final answer
    x = 47,208.71

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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.