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Finding the Fourth Proportional to 119,686.68, 179,530.02 and 36,579.96

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Solution

The fourth proportional to 119,686.68, 179,530.02 and 36,579.96 is: 54,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,686.68 : 179,530.02 = 36,579.96 : x
  2. Step 2: Convert to fraction form
    119,686.68/179,530.02 = 36,579.96/x
  3. Step 3: Cross multiply
    119,686.68x = 179,530.02 × 36,579.96
  4. Step 4: Simplify right side
    119,686.68x = 6,567,200,950.40
  5. Step 5: Solve for x
    x = 6,567,200,950.40/119,686.68
  6. Step 6: Final answer
    x = 54,869.94

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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.