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Finding the Fourth Proportional to 189,015.56, 283,549.26 and 55,906.28

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Solution

The fourth proportional to 189,015.56, 283,549.26 and 55,906.28 is: 83,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,015.56 : 283,549.26 = 55,906.28 : x
  2. Step 2: Convert to fraction form
    189,015.56/283,549.26 = 55,906.28/x
  3. Step 3: Cross multiply
    189,015.56x = 283,549.26 × 55,906.28
  4. Step 4: Simplify right side
    189,015.56x = 15,852,184,323.35
  5. Step 5: Solve for x
    x = 15,852,184,323.35/189,015.56
  6. Step 6: Final answer
    x = 83,867.09

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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.