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Finding the Fourth Proportional to 204,740.40, 307,110.60 and 104,867.40

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Solution

The fourth proportional to 204,740.40, 307,110.60 and 104,867.40 is: 157,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,740.40 : 307,110.60 = 104,867.40 : x
  2. Step 2: Convert to fraction form
    204,740.40/307,110.60 = 104,867.40/x
  3. Step 3: Cross multiply
    204,740.40x = 307,110.60 × 104,867.40
  4. Step 4: Simplify right side
    204,740.40x = 32,205,890,134.44
  5. Step 5: Solve for x
    x = 32,205,890,134.44/204,740.40
  6. Step 6: Final answer
    x = 157,301.10

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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.