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Finding the Fourth Proportional to 269,652.84, 372,116.52 and 147,144.12

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Solution

The fourth proportional to 269,652.84, 372,116.52 and 147,144.12 is: 203,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,652.84 : 372,116.52 = 147,144.12 : x
  2. Step 2: Convert to fraction form
    269,652.84/372,116.52 = 147,144.12/x
  3. Step 3: Cross multiply
    269,652.84x = 372,116.52 × 147,144.12
  4. Step 4: Simplify right side
    269,652.84x = 54,754,757,872.86
  5. Step 5: Solve for x
    x = 54,754,757,872.86/269,652.84
  6. Step 6: Final answer
    x = 203,056.49

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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.