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Finding the Fourth Proportional to 172,244, 258,367.08 and 47,586.08

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Solution

The fourth proportional to 172,244, 258,367.08 and 47,586.08 is: 71,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,244 : 258,367.08 = 47,586.08 : x
  2. Step 2: Convert to fraction form
    172,244/258,367.08 = 47,586.08/x
  3. Step 3: Cross multiply
    172,244x = 258,367.08 × 47,586.08
  4. Step 4: Simplify right side
    172,244x = 12,294,676,538.25
  5. Step 5: Solve for x
    x = 12,294,676,538.25/172,244
  6. Step 6: Final answer
    x = 71,379.42

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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.