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Finding the Fourth Proportional to 221,574.46, 332,332.53 and 61,661.02

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Solution

The fourth proportional to 221,574.46, 332,332.53 and 61,661.02 is: 92,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,574.46 : 332,332.53 = 61,661.02 : x
  2. Step 2: Convert to fraction form
    221,574.46/332,332.53 = 61,661.02/x
  3. Step 3: Cross multiply
    221,574.46x = 332,332.53 × 61,661.02
  4. Step 4: Simplify right side
    221,574.46x = 20,491,962,778.98
  5. Step 5: Solve for x
    x = 20,491,962,778.98/221,574.46
  6. Step 6: Final answer
    x = 92,483.42

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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.