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Finding the Fourth Proportional to 45,230.01, 68,255.45 and 43,722.54

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Solution

The fourth proportional to 45,230.01, 68,255.45 and 43,722.54 is: 65,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,230.01 : 68,255.45 = 43,722.54 : x
  2. Step 2: Convert to fraction form
    45,230.01/68,255.45 = 43,722.54/x
  3. Step 3: Cross multiply
    45,230.01x = 68,255.45 × 43,722.54
  4. Step 4: Simplify right side
    45,230.01x = 2,984,301,424.23
  5. Step 5: Solve for x
    x = 2,984,301,424.23/45,230.01
  6. Step 6: Final answer
    x = 65,980.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.