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Finding the Fourth Proportional to 237,284.28, 355,957.74 and 87,629.76

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Solution

The fourth proportional to 237,284.28, 355,957.74 and 87,629.76 is: 131,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,284.28 : 355,957.74 = 87,629.76 : x
  2. Step 2: Convert to fraction form
    237,284.28/355,957.74 = 87,629.76/x
  3. Step 3: Cross multiply
    237,284.28x = 355,957.74 × 87,629.76
  4. Step 4: Simplify right side
    237,284.28x = 31,192,491,326.34
  5. Step 5: Solve for x
    x = 31,192,491,326.34/237,284.28
  6. Step 6: Final answer
    x = 131,456.21

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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.