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Finding the Fourth Proportional to 85,194.80, 127,791.60 and 22,009.52

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Solution

The fourth proportional to 85,194.80, 127,791.60 and 22,009.52 is: 33,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.80 : 127,791.60 = 22,009.52 : x
  2. Step 2: Convert to fraction form
    85,194.80/127,791.60 = 22,009.52/x
  3. Step 3: Cross multiply
    85,194.80x = 127,791.60 × 22,009.52
  4. Step 4: Simplify right side
    85,194.80x = 2,812,631,776.03
  5. Step 5: Solve for x
    x = 2,812,631,776.03/85,194.80
  6. Step 6: Final answer
    x = 33,014.12

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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.