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Finding the Fourth Proportional to 234,455.31, 351,678.51 and 56,960.82

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Solution

The fourth proportional to 234,455.31, 351,678.51 and 56,960.82 is: 85,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,455.31 : 351,678.51 = 56,960.82 : x
  2. Step 2: Convert to fraction form
    234,455.31/351,678.51 = 56,960.82/x
  3. Step 3: Cross multiply
    234,455.31x = 351,678.51 × 56,960.82
  4. Step 4: Simplify right side
    234,455.31x = 20,031,896,305.98
  5. Step 5: Solve for x
    x = 20,031,896,305.98/234,455.31
  6. Step 6: Final answer
    x = 85,440.15

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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.