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Finding the Fourth Proportional to 104,651.62, 144,416.18 and 59,333.78

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Solution

The fourth proportional to 104,651.62, 144,416.18 and 59,333.78 is: 81,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.62 : 144,416.18 = 59,333.78 : x
  2. Step 2: Convert to fraction form
    104,651.62/144,416.18 = 59,333.78/x
  3. Step 3: Cross multiply
    104,651.62x = 144,416.18 × 59,333.78
  4. Step 4: Simplify right side
    104,651.62x = 8,568,757,852.56
  5. Step 5: Solve for x
    x = 8,568,757,852.56/104,651.62
  6. Step 6: Final answer
    x = 81,878.88

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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.