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Finding the Fourth Proportional to 118,953.96, 178,447.92 and 38,974.83

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Solution

The fourth proportional to 118,953.96, 178,447.92 and 38,974.83 is: 58,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,953.96 : 178,447.92 = 38,974.83 : x
  2. Step 2: Convert to fraction form
    118,953.96/178,447.92 = 38,974.83/x
  3. Step 3: Cross multiply
    118,953.96x = 178,447.92 × 38,974.83
  4. Step 4: Simplify right side
    118,953.96x = 6,954,977,345.85
  5. Step 5: Solve for x
    x = 6,954,977,345.85/118,953.96
  6. Step 6: Final answer
    x = 58,467.81

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1.5x scale

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.