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Finding the Fourth Proportional to 272,334.43, 375,816.11 and 151,473.11

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Solution

The fourth proportional to 272,334.43, 375,816.11 and 151,473.11 is: 209,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,334.43 : 375,816.11 = 151,473.11 : x
  2. Step 2: Convert to fraction form
    272,334.43/375,816.11 = 151,473.11/x
  3. Step 3: Cross multiply
    272,334.43x = 375,816.11 × 151,473.11
  4. Step 4: Simplify right side
    272,334.43x = 56,926,034,212.44
  5. Step 5: Solve for x
    x = 56,926,034,212.44/272,334.43
  6. Step 6: Final answer
    x = 209,029.89

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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.