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Finding the Fourth Proportional to 118,104.84, 177,241.50 and 65,556.36

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Solution

The fourth proportional to 118,104.84, 177,241.50 and 65,556.36 is: 98,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104.84 : 177,241.50 = 65,556.36 : x
  2. Step 2: Convert to fraction form
    118,104.84/177,241.50 = 65,556.36/x
  3. Step 3: Cross multiply
    118,104.84x = 177,241.50 × 65,556.36
  4. Step 4: Simplify right side
    118,104.84x = 11,619,307,580.94
  5. Step 5: Solve for x
    x = 11,619,307,580.94/118,104.84
  6. Step 6: Final answer
    x = 98,381.30

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1.5x scale

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.