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Finding the Fourth Proportional to 119,827.89, 179,785.58 and 69,898.68

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Solution

The fourth proportional to 119,827.89, 179,785.58 and 69,898.68 is: 104,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,827.89 : 179,785.58 = 69,898.68 : x
  2. Step 2: Convert to fraction form
    119,827.89/179,785.58 = 69,898.68/x
  3. Step 3: Cross multiply
    119,827.89x = 179,785.58 × 69,898.68
  4. Step 4: Simplify right side
    119,827.89x = 12,566,774,375.54
  5. Step 5: Solve for x
    x = 12,566,774,375.54/119,827.89
  6. Step 6: Final answer
    x = 104,873.53

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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.