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Finding the Fourth Proportional to 239,179.84, 358,813.83 and 98,949.40

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Solution

The fourth proportional to 239,179.84, 358,813.83 and 98,949.40 is: 148,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,179.84 : 358,813.83 = 98,949.40 : x
  2. Step 2: Convert to fraction form
    239,179.84/358,813.83 = 98,949.40/x
  3. Step 3: Cross multiply
    239,179.84x = 358,813.83 × 98,949.40
  4. Step 4: Simplify right side
    239,179.84x = 35,504,413,190.20
  5. Step 5: Solve for x
    x = 35,504,413,190.20/239,179.84
  6. Step 6: Final answer
    x = 148,442.33

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Why These Related Problems?

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