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Finding the Fourth Proportional to 276,657.41, 381,803.49 and 169,248.03

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Solution

The fourth proportional to 276,657.41, 381,803.49 and 169,248.03 is: 233,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,657.41 : 381,803.49 = 169,248.03 : x
  2. Step 2: Convert to fraction form
    276,657.41/381,803.49 = 169,248.03/x
  3. Step 3: Cross multiply
    276,657.41x = 381,803.49 × 169,248.03
  4. Step 4: Simplify right side
    276,657.41x = 64,619,488,529.62
  5. Step 5: Solve for x
    x = 64,619,488,529.62/276,657.41
  6. Step 6: Final answer
    x = 233,572.23

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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.