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Finding the Fourth Proportional to 85,092.34, 127,652.38 and 25,126.88

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Solution

The fourth proportional to 85,092.34, 127,652.38 and 25,126.88 is: 37,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092.34 : 127,652.38 = 25,126.88 : x
  2. Step 2: Convert to fraction form
    85,092.34/127,652.38 = 25,126.88/x
  3. Step 3: Cross multiply
    85,092.34x = 127,652.38 × 25,126.88
  4. Step 4: Simplify right side
    85,092.34x = 3,207,506,033.97
  5. Step 5: Solve for x
    x = 3,207,506,033.97/85,092.34
  6. Step 6: Final answer
    x = 37,694.42

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1.5x scale

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.