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Finding the Fourth Proportional to 269,353.17, 371,709.96 and 148,498.89

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Solution

The fourth proportional to 269,353.17, 371,709.96 and 148,498.89 is: 204,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,353.17 : 371,709.96 = 148,498.89 : x
  2. Step 2: Convert to fraction form
    269,353.17/371,709.96 = 148,498.89/x
  3. Step 3: Cross multiply
    269,353.17x = 371,709.96 × 148,498.89
  4. Step 4: Simplify right side
    269,353.17x = 55,198,516,461.94
  5. Step 5: Solve for x
    x = 55,198,516,461.94/269,353.17
  6. Step 6: Final answer
    x = 204,929.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.