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Finding the Fourth Proportional to 272,672.82, 376,287.62 and 151,810.97

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Solution

The fourth proportional to 272,672.82, 376,287.62 and 151,810.97 is: 209,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,672.82 : 376,287.62 = 151,810.97 : x
  2. Step 2: Convert to fraction form
    272,672.82/376,287.62 = 151,810.97/x
  3. Step 3: Cross multiply
    272,672.82x = 376,287.62 × 151,810.97
  4. Step 4: Simplify right side
    272,672.82x = 57,124,585,950.70
  5. Step 5: Solve for x
    x = 57,124,585,950.70/272,672.82
  6. Step 6: Final answer
    x = 209,498.64

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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.