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Finding the Fourth Proportional to 144,611.90, 216,934.05 and 44,771.30

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Solution

The fourth proportional to 144,611.90, 216,934.05 and 44,771.30 is: 67,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,611.90 : 216,934.05 = 44,771.30 : x
  2. Step 2: Convert to fraction form
    144,611.90/216,934.05 = 44,771.30/x
  3. Step 3: Cross multiply
    144,611.90x = 216,934.05 × 44,771.30
  4. Step 4: Simplify right side
    144,611.90x = 9,712,419,432.77
  5. Step 5: Solve for x
    x = 9,712,419,432.77/144,611.90
  6. Step 6: Final answer
    x = 67,161.97

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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.