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Finding the Fourth Proportional to 134,499.40, 185,625.48 and 80,812.60

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Solution

The fourth proportional to 134,499.40, 185,625.48 and 80,812.60 is: 111,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,499.40 : 185,625.48 = 80,812.60 : x
  2. Step 2: Convert to fraction form
    134,499.40/185,625.48 = 80,812.60/x
  3. Step 3: Cross multiply
    134,499.40x = 185,625.48 × 80,812.60
  4. Step 4: Simplify right side
    134,499.40x = 15,000,877,665.05
  5. Step 5: Solve for x
    x = 15,000,877,665.05/134,499.40
  6. Step 6: Final answer
    x = 111,531.19

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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.