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Finding the Fourth Proportional to 237,313.82, 355,961.48 and 87,489.30

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Solution

The fourth proportional to 237,313.82, 355,961.48 and 87,489.30 is: 131,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,313.82 : 355,961.48 = 87,489.30 : x
  2. Step 2: Convert to fraction form
    237,313.82/355,961.48 = 87,489.30/x
  3. Step 3: Cross multiply
    237,313.82x = 355,961.48 × 87,489.30
  4. Step 4: Simplify right side
    237,313.82x = 31,142,820,712.16
  5. Step 5: Solve for x
    x = 31,142,820,712.16/237,313.82
  6. Step 6: Final answer
    x = 131,230.54

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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.