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Finding the Fourth Proportional to 85,010.56, 117,306.24 and 47,282.56

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Solution

The fourth proportional to 85,010.56, 117,306.24 and 47,282.56 is: 65,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,010.56 : 117,306.24 = 47,282.56 : x
  2. Step 2: Convert to fraction form
    85,010.56/117,306.24 = 47,282.56/x
  3. Step 3: Cross multiply
    85,010.56x = 117,306.24 × 47,282.56
  4. Step 4: Simplify right side
    85,010.56x = 5,546,539,331.17
  5. Step 5: Solve for x
    x = 5,546,539,331.17/85,010.56
  6. Step 6: Final answer
    x = 65,245.30

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1.5x scale

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.