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Finding the Fourth Proportional to 272,450.72, 375,952.56 and 151,572.80

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Solution

The fourth proportional to 272,450.72, 375,952.56 and 151,572.80 is: 209,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,450.72 : 375,952.56 = 151,572.80 : x
  2. Step 2: Convert to fraction form
    272,450.72/375,952.56 = 151,572.80/x
  3. Step 3: Cross multiply
    272,450.72x = 375,952.56 × 151,572.80
  4. Step 4: Simplify right side
    272,450.72x = 56,984,182,186.37
  5. Step 5: Solve for x
    x = 56,984,182,186.37/272,450.72
  6. Step 6: Final answer
    x = 209,154.09

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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.