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Finding the Fourth Proportional to 233,905.70, 350,858.55 and 84,169.10

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Solution

The fourth proportional to 233,905.70, 350,858.55 and 84,169.10 is: 126,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,905.70 : 350,858.55 = 84,169.10 : x
  2. Step 2: Convert to fraction form
    233,905.70/350,858.55 = 84,169.10/x
  3. Step 3: Cross multiply
    233,905.70x = 350,858.55 × 84,169.10
  4. Step 4: Simplify right side
    233,905.70x = 29,531,448,380.81
  5. Step 5: Solve for x
    x = 29,531,448,380.81/233,905.70
  6. Step 6: Final answer
    x = 126,253.65

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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.