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Finding the Fourth Proportional to 273,116.28, 376,686.81 and 177,653.46

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Solution

The fourth proportional to 273,116.28, 376,686.81 and 177,653.46 is: 245,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,116.28 : 376,686.81 = 177,653.46 : x
  2. Step 2: Convert to fraction form
    273,116.28/376,686.81 = 177,653.46/x
  3. Step 3: Cross multiply
    273,116.28x = 376,686.81 × 177,653.46
  4. Step 4: Simplify right side
    273,116.28x = 66,919,715,132.86
  5. Step 5: Solve for x
    x = 66,919,715,132.86/273,116.28
  6. Step 6: Final answer
    x = 245,022.80

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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.