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Finding the Fourth Proportional to 60,366.66, 90,529.49 and 20,914.56

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Solution

The fourth proportional to 60,366.66, 90,529.49 and 20,914.56 is: 31,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,366.66 : 90,529.49 = 20,914.56 : x
  2. Step 2: Convert to fraction form
    60,366.66/90,529.49 = 20,914.56/x
  3. Step 3: Cross multiply
    60,366.66x = 90,529.49 × 20,914.56
  4. Step 4: Simplify right side
    60,366.66x = 1,893,384,685.29
  5. Step 5: Solve for x
    x = 1,893,384,685.29/60,366.66
  6. Step 6: Final answer
    x = 31,364.74

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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.