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Finding the Fourth Proportional to 269,352, 371,717.28 and 150,120

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Solution

The fourth proportional to 269,352, 371,717.28 and 150,120 is: 207,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,352 : 371,717.28 = 150,120 : x
  2. Step 2: Convert to fraction form
    269,352/371,717.28 = 150,120/x
  3. Step 3: Cross multiply
    269,352x = 371,717.28 × 150,120
  4. Step 4: Simplify right side
    269,352x = 55,802,198,073.60
  5. Step 5: Solve for x
    x = 55,802,198,073.60/269,352
  6. Step 6: Final answer
    x = 207,172.02

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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.