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Finding the Fourth Proportional to 172,562.67, 258,844.05 and 47,903.67

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Solution

The fourth proportional to 172,562.67, 258,844.05 and 47,903.67 is: 71,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,562.67 : 258,844.05 = 47,903.67 : x
  2. Step 2: Convert to fraction form
    172,562.67/258,844.05 = 47,903.67/x
  3. Step 3: Cross multiply
    172,562.67x = 258,844.05 × 47,903.67
  4. Step 4: Simplify right side
    172,562.67x = 12,399,579,952.66
  5. Step 5: Solve for x
    x = 12,399,579,952.66/172,562.67
  6. Step 6: Final answer
    x = 71,855.52

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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.