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Finding the Fourth Proportional to 163,080.40, 244,620.60 and 109,936.30

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Solution

The fourth proportional to 163,080.40, 244,620.60 and 109,936.30 is: 164,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,080.40 : 244,620.60 = 109,936.30 : x
  2. Step 2: Convert to fraction form
    163,080.40/244,620.60 = 109,936.30/x
  3. Step 3: Cross multiply
    163,080.40x = 244,620.60 × 109,936.30
  4. Step 4: Simplify right side
    163,080.40x = 26,892,683,667.78
  5. Step 5: Solve for x
    x = 26,892,683,667.78/163,080.40
  6. Step 6: Final answer
    x = 164,904.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.