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Finding the Fourth Proportional to 235,110.57, 352,554.67 and 91,083.87

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Solution

The fourth proportional to 235,110.57, 352,554.67 and 91,083.87 is: 136,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,110.57 : 352,554.67 = 91,083.87 : x
  2. Step 2: Convert to fraction form
    235,110.57/352,554.67 = 91,083.87/x
  3. Step 3: Cross multiply
    235,110.57x = 352,554.67 × 91,083.87
  4. Step 4: Simplify right side
    235,110.57x = 32,112,043,730.17
  5. Step 5: Solve for x
    x = 32,112,043,730.17/235,110.57
  6. Step 6: Final answer
    x = 136,582.73

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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.