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Finding the Fourth Proportional to 235,037.54, 352,696.39 and 85,289.51

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Solution

The fourth proportional to 235,037.54, 352,696.39 and 85,289.51 is: 127,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,037.54 : 352,696.39 = 85,289.51 : x
  2. Step 2: Convert to fraction form
    235,037.54/352,696.39 = 85,289.51/x
  3. Step 3: Cross multiply
    235,037.54x = 352,696.39 × 85,289.51
  4. Step 4: Simplify right side
    235,037.54x = 30,081,301,086.41
  5. Step 5: Solve for x
    x = 30,081,301,086.41/235,037.54
  6. Step 6: Final answer
    x = 127,985.09

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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.