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Finding the Fourth Proportional to 272,682, 376,301.16 and 159,526.80

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Solution

The fourth proportional to 272,682, 376,301.16 and 159,526.80 is: 220,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,682 : 376,301.16 = 159,526.80 : x
  2. Step 2: Convert to fraction form
    272,682/376,301.16 = 159,526.80/x
  3. Step 3: Cross multiply
    272,682x = 376,301.16 × 159,526.80
  4. Step 4: Simplify right side
    272,682x = 60,030,119,891.09
  5. Step 5: Solve for x
    x = 60,030,119,891.09/272,682
  6. Step 6: Final answer
    x = 220,146.98

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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.