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Finding the Fourth Proportional to 59,122.56, 81,581.76 and 36,466.56

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Solution

The fourth proportional to 59,122.56, 81,581.76 and 36,466.56 is: 50,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,122.56 : 81,581.76 = 36,466.56 : x
  2. Step 2: Convert to fraction form
    59,122.56/81,581.76 = 36,466.56/x
  3. Step 3: Cross multiply
    59,122.56x = 81,581.76 × 36,466.56
  4. Step 4: Simplify right side
    59,122.56x = 2,975,006,145.95
  5. Step 5: Solve for x
    x = 2,975,006,145.95/59,122.56
  6. Step 6: Final answer
    x = 50,319.31

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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.