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Finding the Fourth Proportional to 132,273, 182,548.26 and 72,668.52

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Solution

The fourth proportional to 132,273, 182,548.26 and 72,668.52 is: 100,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,273 : 182,548.26 = 72,668.52 : x
  2. Step 2: Convert to fraction form
    132,273/182,548.26 = 72,668.52/x
  3. Step 3: Cross multiply
    132,273x = 182,548.26 × 72,668.52
  4. Step 4: Simplify right side
    132,273x = 13,265,511,882.78
  5. Step 5: Solve for x
    x = 13,265,511,882.78/132,273
  6. Step 6: Final answer
    x = 100,288.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.