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Finding the Fourth Proportional to 237,357.62, 355,790.39 and 148,406.86

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Solution

The fourth proportional to 237,357.62, 355,790.39 and 148,406.86 is: 222,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,357.62 : 355,790.39 = 148,406.86 : x
  2. Step 2: Convert to fraction form
    237,357.62/355,790.39 = 148,406.86/x
  3. Step 3: Cross multiply
    237,357.62x = 355,790.39 × 148,406.86
  4. Step 4: Simplify right side
    237,357.62x = 52,801,733,508.82
  5. Step 5: Solve for x
    x = 52,801,733,508.82/237,357.62
  6. Step 6: Final answer
    x = 222,456.45

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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.