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Finding the Fourth Proportional to 111,264.94, 166,923.66 and 36,384.79

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Solution

The fourth proportional to 111,264.94, 166,923.66 and 36,384.79 is: 54,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,264.94 : 166,923.66 = 36,384.79 : x
  2. Step 2: Convert to fraction form
    111,264.94/166,923.66 = 36,384.79/x
  3. Step 3: Cross multiply
    111,264.94x = 166,923.66 × 36,384.79
  4. Step 4: Simplify right side
    111,264.94x = 6,073,482,142.58
  5. Step 5: Solve for x
    x = 6,073,482,142.58/111,264.94
  6. Step 6: Final answer
    x = 54,585.77

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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.