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Finding the Fourth Proportional to 166,093.54, 249,227.79 and 72,664.90

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Solution

The fourth proportional to 166,093.54, 249,227.79 and 72,664.90 is: 109,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,093.54 : 249,227.79 = 72,664.90 : x
  2. Step 2: Convert to fraction form
    166,093.54/249,227.79 = 72,664.90/x
  3. Step 3: Cross multiply
    166,093.54x = 249,227.79 × 72,664.90
  4. Step 4: Simplify right side
    166,093.54x = 18,110,112,437.57
  5. Step 5: Solve for x
    x = 18,110,112,437.57/166,093.54
  6. Step 6: Final answer
    x = 109,035.62

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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.