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Finding the Fourth Proportional to 84,796.20, 127,110.60 and 47,374.20

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Solution

The fourth proportional to 84,796.20, 127,110.60 and 47,374.20 is: 71,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,796.20 : 127,110.60 = 47,374.20 : x
  2. Step 2: Convert to fraction form
    84,796.20/127,110.60 = 47,374.20/x
  3. Step 3: Cross multiply
    84,796.20x = 127,110.60 × 47,374.20
  4. Step 4: Simplify right side
    84,796.20x = 6,021,762,986.52
  5. Step 5: Solve for x
    x = 6,021,762,986.52/84,796.20
  6. Step 6: Final answer
    x = 71,014.54

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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.