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Finding the Fourth Proportional to 111,256.12, 166,828.74 and 36,366.52

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Solution

The fourth proportional to 111,256.12, 166,828.74 and 36,366.52 is: 54,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.12 : 166,828.74 = 36,366.52 : x
  2. Step 2: Convert to fraction form
    111,256.12/166,828.74 = 36,366.52/x
  3. Step 3: Cross multiply
    111,256.12x = 166,828.74 × 36,366.52
  4. Step 4: Simplify right side
    111,256.12x = 6,066,980,709.78
  5. Step 5: Solve for x
    x = 6,066,980,709.78/111,256.12
  6. Step 6: Final answer
    x = 54,531.66

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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.