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Finding the Fourth Proportional to 56,234.76, 84,310.47 and 34,042.89

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Solution

The fourth proportional to 56,234.76, 84,310.47 and 34,042.89 is: 51,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,234.76 : 84,310.47 = 34,042.89 : x
  2. Step 2: Convert to fraction form
    56,234.76/84,310.47 = 34,042.89/x
  3. Step 3: Cross multiply
    56,234.76x = 84,310.47 × 34,042.89
  4. Step 4: Simplify right side
    56,234.76x = 2,870,172,056.06
  5. Step 5: Solve for x
    x = 2,870,172,056.06/56,234.76
  6. Step 6: Final answer
    x = 51,039.11

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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.