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Finding the Fourth Proportional to 270,181.34, 404,939.81 and 151,603.55

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Solution

The fourth proportional to 270,181.34, 404,939.81 and 151,603.55 is: 227,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,181.34 : 404,939.81 = 151,603.55 : x
  2. Step 2: Convert to fraction form
    270,181.34/404,939.81 = 151,603.55/x
  3. Step 3: Cross multiply
    270,181.34x = 404,939.81 × 151,603.55
  4. Step 4: Simplify right side
    270,181.34x = 61,390,309,949.61
  5. Step 5: Solve for x
    x = 61,390,309,949.61/270,181.34
  6. Step 6: Final answer
    x = 227,218.92

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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.