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Finding the Fourth Proportional to 272,531.88, 375,772.23 and 186,532.29

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Solution

The fourth proportional to 272,531.88, 375,772.23 and 186,532.29 is: 257,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,531.88 : 375,772.23 = 186,532.29 : x
  2. Step 2: Convert to fraction form
    272,531.88/375,772.23 = 186,532.29/x
  3. Step 3: Cross multiply
    272,531.88x = 375,772.23 × 186,532.29
  4. Step 4: Simplify right side
    272,531.88x = 70,093,654,580.31
  5. Step 5: Solve for x
    x = 70,093,654,580.31/272,531.88
  6. Step 6: Final answer
    x = 257,194.33

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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.