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Finding the Fourth Proportional to 140,990.94, 211,401.93 and 44,886.62

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Solution

The fourth proportional to 140,990.94, 211,401.93 and 44,886.62 is: 67,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,990.94 : 211,401.93 = 44,886.62 : x
  2. Step 2: Convert to fraction form
    140,990.94/211,401.93 = 44,886.62/x
  3. Step 3: Cross multiply
    140,990.94x = 211,401.93 × 44,886.62
  4. Step 4: Simplify right side
    140,990.94x = 9,489,118,099.18
  5. Step 5: Solve for x
    x = 9,489,118,099.18/140,990.94
  6. Step 6: Final answer
    x = 67,303.03

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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.