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Finding the Fourth Proportional to 233,911.63, 322,797.81 and 126,481.40

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Solution

The fourth proportional to 233,911.63, 322,797.81 and 126,481.40 is: 174,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,911.63 : 322,797.81 = 126,481.40 : x
  2. Step 2: Convert to fraction form
    233,911.63/322,797.81 = 126,481.40/x
  3. Step 3: Cross multiply
    233,911.63x = 322,797.81 × 126,481.40
  4. Step 4: Simplify right side
    233,911.63x = 40,827,918,925.73
  5. Step 5: Solve for x
    x = 40,827,918,925.73/233,911.63
  6. Step 6: Final answer
    x = 174,544.21

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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.