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Finding the Fourth Proportional to 84,617.70, 126,926.55 and 60,998.10

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Solution

The fourth proportional to 84,617.70, 126,926.55 and 60,998.10 is: 91,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,617.70 : 126,926.55 = 60,998.10 : x
  2. Step 2: Convert to fraction form
    84,617.70/126,926.55 = 60,998.10/x
  3. Step 3: Cross multiply
    84,617.70x = 126,926.55 × 60,998.10
  4. Step 4: Simplify right side
    84,617.70x = 7,742,278,389.56
  5. Step 5: Solve for x
    x = 7,742,278,389.56/84,617.70
  6. Step 6: Final answer
    x = 91,497.15

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Similar ratio
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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.