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Finding the Fourth Proportional to 155,755.65, 233,672.87 and 43,435.88

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Solution

The fourth proportional to 155,755.65, 233,672.87 and 43,435.88 is: 65,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,755.65 : 233,672.87 = 43,435.88 : x
  2. Step 2: Convert to fraction form
    155,755.65/233,672.87 = 43,435.88/x
  3. Step 3: Cross multiply
    155,755.65x = 233,672.87 × 43,435.88
  4. Step 4: Simplify right side
    155,755.65x = 10,149,785,680.80
  5. Step 5: Solve for x
    x = 10,149,785,680.80/155,755.65
  6. Step 6: Final answer
    x = 65,164.80

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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.