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Finding the Fourth Proportional to 235,258.08, 352,893.60 and 57,764.40

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Solution

The fourth proportional to 235,258.08, 352,893.60 and 57,764.40 is: 86,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,258.08 : 352,893.60 = 57,764.40 : x
  2. Step 2: Convert to fraction form
    235,258.08/352,893.60 = 57,764.40/x
  3. Step 3: Cross multiply
    235,258.08x = 352,893.60 × 57,764.40
  4. Step 4: Simplify right side
    235,258.08x = 20,384,687,067.84
  5. Step 5: Solve for x
    x = 20,384,687,067.84/235,258.08
  6. Step 6: Final answer
    x = 86,648.19

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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.