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Finding the Fourth Proportional to 163,448.96, 225,565.37 and 91,827.54

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Solution

The fourth proportional to 163,448.96, 225,565.37 and 91,827.54 is: 126,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,448.96 : 225,565.37 = 91,827.54 : x
  2. Step 2: Convert to fraction form
    163,448.96/225,565.37 = 91,827.54/x
  3. Step 3: Cross multiply
    163,448.96x = 225,565.37 × 91,827.54
  4. Step 4: Simplify right side
    163,448.96x = 20,713,113,036.29
  5. Step 5: Solve for x
    x = 20,713,113,036.29/163,448.96
  6. Step 6: Final answer
    x = 126,725.27

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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.