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Finding the Fourth Proportional to 234,270.78, 351,406.16 and 56,777.79

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Solution

The fourth proportional to 234,270.78, 351,406.16 and 56,777.79 is: 85,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,270.78 : 351,406.16 = 56,777.79 : x
  2. Step 2: Convert to fraction form
    234,270.78/351,406.16 = 56,777.79/x
  3. Step 3: Cross multiply
    234,270.78x = 351,406.16 × 56,777.79
  4. Step 4: Simplify right side
    234,270.78x = 19,952,064,873.30
  5. Step 5: Solve for x
    x = 19,952,064,873.30/234,270.78
  6. Step 6: Final answer
    x = 85,166.68

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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.