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Finding the Fourth Proportional to 189,035.59, 283,553.39 and 55,905.48

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Solution

The fourth proportional to 189,035.59, 283,553.39 and 55,905.48 is: 83,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035.59 : 283,553.39 = 55,905.48 : x
  2. Step 2: Convert to fraction form
    189,035.59/283,553.39 = 55,905.48/x
  3. Step 3: Cross multiply
    189,035.59x = 283,553.39 × 55,905.48
  4. Step 4: Simplify right side
    189,035.59x = 15,852,187,667.21
  5. Step 5: Solve for x
    x = 15,852,187,667.21/189,035.59
  6. Step 6: Final answer
    x = 83,858.22

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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.