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Finding the Fourth Proportional to 118,159.92, 177,241.50 and 65,901.60

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Solution

The fourth proportional to 118,159.92, 177,241.50 and 65,901.60 is: 98,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,159.92 : 177,241.50 = 65,901.60 : x
  2. Step 2: Convert to fraction form
    118,159.92/177,241.50 = 65,901.60/x
  3. Step 3: Cross multiply
    118,159.92x = 177,241.50 × 65,901.60
  4. Step 4: Simplify right side
    118,159.92x = 11,680,498,436.40
  5. Step 5: Solve for x
    x = 11,680,498,436.40/118,159.92
  6. Step 6: Final answer
    x = 98,853.30

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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.