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Finding the Fourth Proportional to 127,062.68, 190,554.24 and 45,999.47

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Solution

The fourth proportional to 127,062.68, 190,554.24 and 45,999.47 is: 68,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,062.68 : 190,554.24 = 45,999.47 : x
  2. Step 2: Convert to fraction form
    127,062.68/190,554.24 = 45,999.47/x
  3. Step 3: Cross multiply
    127,062.68x = 190,554.24 × 45,999.47
  4. Step 4: Simplify right side
    127,062.68x = 8,765,394,046.25
  5. Step 5: Solve for x
    x = 8,765,394,046.25/127,062.68
  6. Step 6: Final answer
    x = 68,984.80

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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.