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Finding the Fourth Proportional to 245,588.64, 338,917.82 and 150,147.96

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Solution

The fourth proportional to 245,588.64, 338,917.82 and 150,147.96 is: 207,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,588.64 : 338,917.82 = 150,147.96 : x
  2. Step 2: Convert to fraction form
    245,588.64/338,917.82 = 150,147.96/x
  3. Step 3: Cross multiply
    245,588.64x = 338,917.82 × 150,147.96
  4. Step 4: Simplify right side
    245,588.64x = 50,887,818,529.91
  5. Step 5: Solve for x
    x = 50,887,818,529.91/245,588.64
  6. Step 6: Final answer
    x = 207,207.54

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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.