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Finding the Fourth Proportional to 118,325, 177,513.42 and 44,453

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Solution

The fourth proportional to 118,325, 177,513.42 and 44,453 is: 66,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325 : 177,513.42 = 44,453 : x
  2. Step 2: Convert to fraction form
    118,325/177,513.42 = 44,453/x
  3. Step 3: Cross multiply
    118,325x = 177,513.42 × 44,453
  4. Step 4: Simplify right side
    118,325x = 7,891,004,059.26
  5. Step 5: Solve for x
    x = 7,891,004,059.26/118,325
  6. Step 6: Final answer
    x = 66,689.24

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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.