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Finding the Fourth Proportional to 163,654.36, 225,833.34 and 91,055.32

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Solution

The fourth proportional to 163,654.36, 225,833.34 and 91,055.32 is: 125,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,654.36 : 225,833.34 = 91,055.32 : x
  2. Step 2: Convert to fraction form
    163,654.36/225,833.34 = 91,055.32/x
  3. Step 3: Cross multiply
    163,654.36x = 225,833.34 × 91,055.32
  4. Step 4: Simplify right side
    163,654.36x = 20,563,327,040.37
  5. Step 5: Solve for x
    x = 20,563,327,040.37/163,654.36
  6. Step 6: Final answer
    x = 125,650.96

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1.5x scale

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.