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Finding the Fourth Proportional to 189,560.88, 261,593.01 and 104,677.92

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Solution

The fourth proportional to 189,560.88, 261,593.01 and 104,677.92 is: 144,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,560.88 : 261,593.01 = 104,677.92 : x
  2. Step 2: Convert to fraction form
    189,560.88/261,593.01 = 104,677.92/x
  3. Step 3: Cross multiply
    189,560.88x = 261,593.01 × 104,677.92
  4. Step 4: Simplify right side
    189,560.88x = 27,383,012,173.34
  5. Step 5: Solve for x
    x = 27,383,012,173.34/189,560.88
  6. Step 6: Final answer
    x = 144,454.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.