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Finding the Fourth Proportional to 174,348.75, 261,523.13 and 43,020.75

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Solution

The fourth proportional to 174,348.75, 261,523.13 and 43,020.75 is: 64,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,348.75 : 261,523.13 = 43,020.75 : x
  2. Step 2: Convert to fraction form
    174,348.75/261,523.13 = 43,020.75/x
  3. Step 3: Cross multiply
    174,348.75x = 261,523.13 × 43,020.75
  4. Step 4: Simplify right side
    174,348.75x = 11,250,920,979.84
  5. Step 5: Solve for x
    x = 11,250,920,979.84/174,348.75
  6. Step 6: Final answer
    x = 64,531.13

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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.