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Finding the Fourth Proportional to 60,050.40, 89,816.40 and 50,719.20

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Solution

The fourth proportional to 60,050.40, 89,816.40 and 50,719.20 is: 75,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,050.40 : 89,816.40 = 50,719.20 : x
  2. Step 2: Convert to fraction form
    60,050.40/89,816.40 = 50,719.20/x
  3. Step 3: Cross multiply
    60,050.40x = 89,816.40 × 50,719.20
  4. Step 4: Simplify right side
    60,050.40x = 4,555,415,954.88
  5. Step 5: Solve for x
    x = 4,555,415,954.88/60,050.40
  6. Step 6: Final answer
    x = 75,859.88

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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.