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Finding the Fourth Proportional to 140,786.00, 211,134.29 and 45,994.58

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Solution

The fourth proportional to 140,786.00, 211,134.29 and 45,994.58 is: 68,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,786.00 : 211,134.29 = 45,994.58 : x
  2. Step 2: Convert to fraction form
    140,786.00/211,134.29 = 45,994.58/x
  3. Step 3: Cross multiply
    140,786.00x = 211,134.29 × 45,994.58
  4. Step 4: Simplify right side
    140,786.00x = 9,711,031,706.50
  5. Step 5: Solve for x
    x = 9,711,031,706.50/140,786.00
  6. Step 6: Final answer
    x = 68,977.26

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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.