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Finding the Fourth Proportional to 237,358.62, 355,791.89 and 148,407.86

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Solution

The fourth proportional to 237,358.62, 355,791.89 and 148,407.86 is: 222,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,358.62 : 355,791.89 = 148,407.86 : x
  2. Step 2: Convert to fraction form
    237,358.62/355,791.89 = 148,407.86/x
  3. Step 3: Cross multiply
    237,358.62x = 355,791.89 × 148,407.86
  4. Step 4: Simplify right side
    237,358.62x = 52,802,313,000.26
  5. Step 5: Solve for x
    x = 52,802,313,000.26/237,358.62
  6. Step 6: Final answer
    x = 222,457.95

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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.