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Finding the Fourth Proportional to 189,563.88, 261,597.15 and 104,680.92

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Solution

The fourth proportional to 189,563.88, 261,597.15 and 104,680.92 is: 144,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,563.88 : 261,597.15 = 104,680.92 : x
  2. Step 2: Convert to fraction form
    189,563.88/261,597.15 = 104,680.92/x
  3. Step 3: Cross multiply
    189,563.88x = 261,597.15 × 104,680.92
  4. Step 4: Simplify right side
    189,563.88x = 27,384,230,331.38
  5. Step 5: Solve for x
    x = 27,384,230,331.38/189,563.88
  6. Step 6: Final answer
    x = 144,459.11

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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.