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Finding the Fourth Proportional to 234,635.50, 324,064.29 and 159,052.78

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Solution

The fourth proportional to 234,635.50, 324,064.29 and 159,052.78 is: 219,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,635.50 : 324,064.29 = 159,052.78 : x
  2. Step 2: Convert to fraction form
    234,635.50/324,064.29 = 159,052.78/x
  3. Step 3: Cross multiply
    234,635.50x = 324,064.29 × 159,052.78
  4. Step 4: Simplify right side
    234,635.50x = 51,543,326,223.23
  5. Step 5: Solve for x
    x = 51,543,326,223.23/234,635.50
  6. Step 6: Final answer
    x = 219,674.03

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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.