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Finding the Fourth Proportional to 104,905.50, 144,771.03 and 60,193.50

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Solution

The fourth proportional to 104,905.50, 144,771.03 and 60,193.50 is: 83,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.50 : 144,771.03 = 60,193.50 : x
  2. Step 2: Convert to fraction form
    104,905.50/144,771.03 = 60,193.50/x
  3. Step 3: Cross multiply
    104,905.50x = 144,771.03 × 60,193.50
  4. Step 4: Simplify right side
    104,905.50x = 8,714,274,994.31
  5. Step 5: Solve for x
    x = 8,714,274,994.31/104,905.50
  6. Step 6: Final answer
    x = 83,067.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.