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Finding the Fourth Proportional to 235,258.52, 352,893.54 and 69,051.80

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Solution

The fourth proportional to 235,258.52, 352,893.54 and 69,051.80 is: 103,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,258.52 : 352,893.54 = 69,051.80 : x
  2. Step 2: Convert to fraction form
    235,258.52/352,893.54 = 69,051.80/x
  3. Step 3: Cross multiply
    235,258.52x = 352,893.54 × 69,051.80
  4. Step 4: Simplify right side
    235,258.52x = 24,367,934,145.37
  5. Step 5: Solve for x
    x = 24,367,934,145.37/235,258.52
  6. Step 6: Final answer
    x = 103,579.39

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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.