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Finding the Fourth Proportional to 131,302.98, 181,211.04 and 80,338.68

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Solution

The fourth proportional to 131,302.98, 181,211.04 and 80,338.68 is: 110,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,302.98 : 181,211.04 = 80,338.68 : x
  2. Step 2: Convert to fraction form
    131,302.98/181,211.04 = 80,338.68/x
  3. Step 3: Cross multiply
    131,302.98x = 181,211.04 × 80,338.68
  4. Step 4: Simplify right side
    131,302.98x = 14,558,255,755.03
  5. Step 5: Solve for x
    x = 14,558,255,755.03/131,302.98
  6. Step 6: Final answer
    x = 110,875.29

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