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Finding the Fourth Proportional to 60,065.46, 90,106.47 and 20,617.44

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Solution

The fourth proportional to 60,065.46, 90,106.47 and 20,617.44 is: 30,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,065.46 : 90,106.47 = 20,617.44 : x
  2. Step 2: Convert to fraction form
    60,065.46/90,106.47 = 20,617.44/x
  3. Step 3: Cross multiply
    60,065.46x = 90,106.47 × 20,617.44
  4. Step 4: Simplify right side
    60,065.46x = 1,857,764,738.84
  5. Step 5: Solve for x
    x = 1,857,764,738.84/60,065.46
  6. Step 6: Final answer
    x = 30,929.00

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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.