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Finding the Fourth Proportional to 269,781.84, 372,441.69 and 174,342.98

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Solution

The fourth proportional to 269,781.84, 372,441.69 and 174,342.98 is: 240,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,781.84 : 372,441.69 = 174,342.98 : x
  2. Step 2: Convert to fraction form
    269,781.84/372,441.69 = 174,342.98/x
  3. Step 3: Cross multiply
    269,781.84x = 372,441.69 × 174,342.98
  4. Step 4: Simplify right side
    269,781.84x = 64,932,595,041.94
  5. Step 5: Solve for x
    x = 64,932,595,041.94/269,781.84
  6. Step 6: Final answer
    x = 240,685.57

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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.