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Finding the Fourth Proportional to 75,912.45, 113,795.78 and 59,036.10

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Solution

The fourth proportional to 75,912.45, 113,795.78 and 59,036.10 is: 88,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912.45 : 113,795.78 = 59,036.10 : x
  2. Step 2: Convert to fraction form
    75,912.45/113,795.78 = 59,036.10/x
  3. Step 3: Cross multiply
    75,912.45x = 113,795.78 × 59,036.10
  4. Step 4: Simplify right side
    75,912.45x = 6,718,058,752.48
  5. Step 5: Solve for x
    x = 6,718,058,752.48/75,912.45
  6. Step 6: Final answer
    x = 88,497.46

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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.