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Finding the Fourth Proportional to 159,184.58, 219,673.49 and 87,563.03

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Solution

The fourth proportional to 159,184.58, 219,673.49 and 87,563.03 is: 120,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,184.58 : 219,673.49 = 87,563.03 : x
  2. Step 2: Convert to fraction form
    159,184.58/219,673.49 = 87,563.03/x
  3. Step 3: Cross multiply
    159,184.58x = 219,673.49 × 87,563.03
  4. Step 4: Simplify right side
    159,184.58x = 19,235,274,858.89
  5. Step 5: Solve for x
    x = 19,235,274,858.89/159,184.58
  6. Step 6: Final answer
    x = 120,836.30

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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.