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Finding the Fourth Proportional to 84,892.91, 127,364.82 and 34,265.88

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Solution

The fourth proportional to 84,892.91, 127,364.82 and 34,265.88 is: 51,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.91 : 127,364.82 = 34,265.88 : x
  2. Step 2: Convert to fraction form
    84,892.91/127,364.82 = 34,265.88/x
  3. Step 3: Cross multiply
    84,892.91x = 127,364.82 × 34,265.88
  4. Step 4: Simplify right side
    84,892.91x = 4,364,267,638.34
  5. Step 5: Solve for x
    x = 4,364,267,638.34/84,892.91
  6. Step 6: Final answer
    x = 51,409.10

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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.