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Finding the Fourth Proportional to 118,280.25, 177,410.25 and 43,397.37

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Solution

The fourth proportional to 118,280.25, 177,410.25 and 43,397.37 is: 65,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280.25 : 177,410.25 = 43,397.37 : x
  2. Step 2: Convert to fraction form
    118,280.25/177,410.25 = 43,397.37/x
  3. Step 3: Cross multiply
    118,280.25x = 177,410.25 × 43,397.37
  4. Step 4: Simplify right side
    118,280.25x = 7,699,138,261.04
  5. Step 5: Solve for x
    x = 7,699,138,261.04/118,280.25
  6. Step 6: Final answer
    x = 65,092.34

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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.