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Finding the Fourth Proportional to 119,488.56, 164,950.20 and 69,177.84

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Solution

The fourth proportional to 119,488.56, 164,950.20 and 69,177.84 is: 95,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,488.56 : 164,950.20 = 69,177.84 : x
  2. Step 2: Convert to fraction form
    119,488.56/164,950.20 = 69,177.84/x
  3. Step 3: Cross multiply
    119,488.56x = 164,950.20 × 69,177.84
  4. Step 4: Simplify right side
    119,488.56x = 11,410,898,543.57
  5. Step 5: Solve for x
    x = 11,410,898,543.57/119,488.56
  6. Step 6: Final answer
    x = 95,497.83

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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.