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Finding the Fourth Proportional to 269,889.68, 404,806.70 and 89,955.67

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Solution

The fourth proportional to 269,889.68, 404,806.70 and 89,955.67 is: 134,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,889.68 : 404,806.70 = 89,955.67 : x
  2. Step 2: Convert to fraction form
    269,889.68/404,806.70 = 89,955.67/x
  3. Step 3: Cross multiply
    269,889.68x = 404,806.70 × 89,955.67
  4. Step 4: Simplify right side
    269,889.68x = 36,414,655,894.96
  5. Step 5: Solve for x
    x = 36,414,655,894.96/269,889.68
  6. Step 6: Final answer
    x = 134,924.22

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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.