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Finding the Fourth Proportional to 183,308.64, 252,943.44 and 111,662.64

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Solution

The fourth proportional to 183,308.64, 252,943.44 and 111,662.64 is: 154,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,308.64 : 252,943.44 = 111,662.64 : x
  2. Step 2: Convert to fraction form
    183,308.64/252,943.44 = 111,662.64/x
  3. Step 3: Cross multiply
    183,308.64x = 252,943.44 × 111,662.64
  4. Step 4: Simplify right side
    183,308.64x = 28,244,332,281.08
  5. Step 5: Solve for x
    x = 28,244,332,281.08/183,308.64
  6. Step 6: Final answer
    x = 154,080.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.