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Finding the Fourth Proportional to 163,380.56, 225,448.20 and 109,654.64

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Solution

The fourth proportional to 163,380.56, 225,448.20 and 109,654.64 is: 151,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,380.56 : 225,448.20 = 109,654.64 : x
  2. Step 2: Convert to fraction form
    163,380.56/225,448.20 = 109,654.64/x
  3. Step 3: Cross multiply
    163,380.56x = 225,448.20 × 109,654.64
  4. Step 4: Simplify right side
    163,380.56x = 24,721,441,209.65
  5. Step 5: Solve for x
    x = 24,721,441,209.65/163,380.56
  6. Step 6: Final answer
    x = 151,312.01

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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.