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Finding the Fourth Proportional to 155,107.44, 232,662.40 and 84,948.48

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Solution

The fourth proportional to 155,107.44, 232,662.40 and 84,948.48 is: 127,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,107.44 : 232,662.40 = 84,948.48 : x
  2. Step 2: Convert to fraction form
    155,107.44/232,662.40 = 84,948.48/x
  3. Step 3: Cross multiply
    155,107.44x = 232,662.40 × 84,948.48
  4. Step 4: Simplify right side
    155,107.44x = 19,764,317,233.15
  5. Step 5: Solve for x
    x = 19,764,317,233.15/155,107.44
  6. Step 6: Final answer
    x = 127,423.40

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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.