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Finding the Fourth Proportional to 276,713.00, 381,948.62 and 162,018.53

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Solution

The fourth proportional to 276,713.00, 381,948.62 and 162,018.53 is: 223,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,713.00 : 381,948.62 = 162,018.53 : x
  2. Step 2: Convert to fraction form
    276,713.00/381,948.62 = 162,018.53/x
  3. Step 3: Cross multiply
    276,713.00x = 381,948.62 × 162,018.53
  4. Step 4: Simplify right side
    276,713.00x = 61,882,751,228.09
  5. Step 5: Solve for x
    x = 61,882,751,228.09/276,713.00
  6. Step 6: Final answer
    x = 223,635.15

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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.