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Finding the Fourth Proportional to 183,742.40, 275,775.60 and 108,768.80

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Solution

The fourth proportional to 183,742.40, 275,775.60 and 108,768.80 is: 163,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,742.40 : 275,775.60 = 108,768.80 : x
  2. Step 2: Convert to fraction form
    183,742.40/275,775.60 = 108,768.80/x
  3. Step 3: Cross multiply
    183,742.40x = 275,775.60 × 108,768.80
  4. Step 4: Simplify right side
    183,742.40x = 29,995,781,081.28
  5. Step 5: Solve for x
    x = 29,995,781,081.28/183,742.40
  6. Step 6: Final answer
    x = 163,249.10

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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.