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Finding the Fourth Proportional to 151,849.48, 227,775.03 and 99,589.90

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Solution

The fourth proportional to 151,849.48, 227,775.03 and 99,589.90 is: 149,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,849.48 : 227,775.03 = 99,589.90 : x
  2. Step 2: Convert to fraction form
    151,849.48/227,775.03 = 99,589.90/x
  3. Step 3: Cross multiply
    151,849.48x = 227,775.03 × 99,589.90
  4. Step 4: Simplify right side
    151,849.48x = 22,684,092,460.20
  5. Step 5: Solve for x
    x = 22,684,092,460.20/151,849.48
  6. Step 6: Final answer
    x = 149,385.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.