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Finding the Fourth Proportional to 129,842.88, 194,744.76 and 41,084.84

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Solution

The fourth proportional to 129,842.88, 194,744.76 and 41,084.84 is: 61,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,842.88 : 194,744.76 = 41,084.84 : x
  2. Step 2: Convert to fraction form
    129,842.88/194,744.76 = 41,084.84/x
  3. Step 3: Cross multiply
    129,842.88x = 194,744.76 × 41,084.84
  4. Step 4: Simplify right side
    129,842.88x = 8,001,057,305.44
  5. Step 5: Solve for x
    x = 8,001,057,305.44/129,842.88
  6. Step 6: Final answer
    x = 61,621.07

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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.