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Finding the Fourth Proportional to 118,358.82, 177,533.37 and 65,734.74

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Solution

The fourth proportional to 118,358.82, 177,533.37 and 65,734.74 is: 98,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,358.82 : 177,533.37 = 65,734.74 : x
  2. Step 2: Convert to fraction form
    118,358.82/177,533.37 = 65,734.74/x
  3. Step 3: Cross multiply
    118,358.82x = 177,533.37 × 65,734.74
  4. Step 4: Simplify right side
    118,358.82x = 11,670,109,918.27
  5. Step 5: Solve for x
    x = 11,670,109,918.27/118,358.82
  6. Step 6: Final answer
    x = 98,599.41

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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.