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Finding the Fourth Proportional to 227,513.52, 313,966.56 and 125,539.92

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Solution

The fourth proportional to 227,513.52, 313,966.56 and 125,539.92 is: 173,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,513.52 : 313,966.56 = 125,539.92 : x
  2. Step 2: Convert to fraction form
    227,513.52/313,966.56 = 125,539.92/x
  3. Step 3: Cross multiply
    227,513.52x = 313,966.56 × 125,539.92
  4. Step 4: Simplify right side
    227,513.52x = 39,415,336,825.08
  5. Step 5: Solve for x
    x = 39,415,336,825.08/227,513.52
  6. Step 6: Final answer
    x = 173,243.93

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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.