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Finding the Fourth Proportional to 237,165.67, 355,796.13 and 87,406.75

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Solution

The fourth proportional to 237,165.67, 355,796.13 and 87,406.75 is: 131,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,165.67 : 355,796.13 = 87,406.75 : x
  2. Step 2: Convert to fraction form
    237,165.67/355,796.13 = 87,406.75/x
  3. Step 3: Cross multiply
    237,165.67x = 355,796.13 × 87,406.75
  4. Step 4: Simplify right side
    237,165.67x = 31,098,981,606.90
  5. Step 5: Solve for x
    x = 31,098,981,606.90/237,165.67
  6. Step 6: Final answer
    x = 131,127.67

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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.