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Finding the Fourth Proportional to 119,342.31, 179,013.47 and 56,823.27

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Solution

The fourth proportional to 119,342.31, 179,013.47 and 56,823.27 is: 85,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,342.31 : 179,013.47 = 56,823.27 : x
  2. Step 2: Convert to fraction form
    119,342.31/179,013.47 = 56,823.27/x
  3. Step 3: Cross multiply
    119,342.31x = 179,013.47 × 56,823.27
  4. Step 4: Simplify right side
    119,342.31x = 10,172,130,455.33
  5. Step 5: Solve for x
    x = 10,172,130,455.33/119,342.31
  6. Step 6: Final answer
    x = 85,234.91

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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.