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Finding the Fourth Proportional to 96,619.40, 144,929.10 and 33,439.40

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Solution

The fourth proportional to 96,619.40, 144,929.10 and 33,439.40 is: 50,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,619.40 : 144,929.10 = 33,439.40 : x
  2. Step 2: Convert to fraction form
    96,619.40/144,929.10 = 33,439.40/x
  3. Step 3: Cross multiply
    96,619.40x = 144,929.10 × 33,439.40
  4. Step 4: Simplify right side
    96,619.40x = 4,846,342,146.54
  5. Step 5: Solve for x
    x = 4,846,342,146.54/96,619.40
  6. Step 6: Final answer
    x = 50,159.10

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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.