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Finding the Fourth Proportional to 149,969.70, 224,958.60 and 65,686.50

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Solution

The fourth proportional to 149,969.70, 224,958.60 and 65,686.50 is: 98,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,969.70 : 224,958.60 = 65,686.50 : x
  2. Step 2: Convert to fraction form
    149,969.70/224,958.60 = 65,686.50/x
  3. Step 3: Cross multiply
    149,969.70x = 224,958.60 × 65,686.50
  4. Step 4: Simplify right side
    149,969.70x = 14,776,743,078.90
  5. Step 5: Solve for x
    x = 14,776,743,078.90/149,969.70
  6. Step 6: Final answer
    x = 98,531.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.