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Finding the Fourth Proportional to 273,119.28, 376,690.95 and 177,656.46

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Solution

The fourth proportional to 273,119.28, 376,690.95 and 177,656.46 is: 245,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,119.28 : 376,690.95 = 177,656.46 : x
  2. Step 2: Convert to fraction form
    273,119.28/376,690.95 = 177,656.46/x
  3. Step 3: Cross multiply
    273,119.28x = 376,690.95 × 177,656.46
  4. Step 4: Simplify right side
    273,119.28x = 66,921,580,691.04
  5. Step 5: Solve for x
    x = 66,921,580,691.04/273,119.28
  6. Step 6: Final answer
    x = 245,026.94

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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.