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Finding the Fourth Proportional to 125,939.67, 173,751.10 and 71,460.29

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Solution

The fourth proportional to 125,939.67, 173,751.10 and 71,460.29 is: 98,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.67 : 173,751.10 = 71,460.29 : x
  2. Step 2: Convert to fraction form
    125,939.67/173,751.10 = 71,460.29/x
  3. Step 3: Cross multiply
    125,939.67x = 173,751.10 × 71,460.29
  4. Step 4: Simplify right side
    125,939.67x = 12,416,303,597.98
  5. Step 5: Solve for x
    x = 12,416,303,597.98/125,939.67
  6. Step 6: Final answer
    x = 98,589.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.