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Finding the Fourth Proportional to 269,353, 371,718.66 and 150,121

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Solution

The fourth proportional to 269,353, 371,718.66 and 150,121 is: 207,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,353 : 371,718.66 = 150,121 : x
  2. Step 2: Convert to fraction form
    269,353/371,718.66 = 150,121/x
  3. Step 3: Cross multiply
    269,353x = 371,718.66 × 150,121
  4. Step 4: Simplify right side
    269,353x = 55,802,776,957.86
  5. Step 5: Solve for x
    x = 55,802,776,957.86/269,353
  6. Step 6: Final answer
    x = 207,173.40

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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.