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Finding the Fourth Proportional to 119,288.84, 178,933.31 and 56,062.56

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Solution

The fourth proportional to 119,288.84, 178,933.31 and 56,062.56 is: 84,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,288.84 : 178,933.31 = 56,062.56 : x
  2. Step 2: Convert to fraction form
    119,288.84/178,933.31 = 56,062.56/x
  3. Step 3: Cross multiply
    119,288.84x = 178,933.31 × 56,062.56
  4. Step 4: Simplify right side
    119,288.84x = 10,031,459,427.87
  5. Step 5: Solve for x
    x = 10,031,459,427.87/119,288.84
  6. Step 6: Final answer
    x = 84,093.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.