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Finding the Fourth Proportional to 141,189.96, 194,848.50 and 84,600.12

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Solution

The fourth proportional to 141,189.96, 194,848.50 and 84,600.12 is: 116,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.96 : 194,848.50 = 84,600.12 : x
  2. Step 2: Convert to fraction form
    141,189.96/194,848.50 = 84,600.12/x
  3. Step 3: Cross multiply
    141,189.96x = 194,848.50 × 84,600.12
  4. Step 4: Simplify right side
    141,189.96x = 16,484,206,481.82
  5. Step 5: Solve for x
    x = 16,484,206,481.82/141,189.96
  6. Step 6: Final answer
    x = 116,751.97

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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.