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Finding the Fourth Proportional to 272,515.69, 376,074.12 and 151,662.07

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Solution

The fourth proportional to 272,515.69, 376,074.12 and 151,662.07 is: 209,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,515.69 : 376,074.12 = 151,662.07 : x
  2. Step 2: Convert to fraction form
    272,515.69/376,074.12 = 151,662.07/x
  3. Step 3: Cross multiply
    272,515.69x = 376,074.12 × 151,662.07
  4. Step 4: Simplify right side
    272,515.69x = 57,036,179,512.63
  5. Step 5: Solve for x
    x = 57,036,179,512.63/272,515.69
  6. Step 6: Final answer
    x = 209,295.03

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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.