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Finding the Fourth Proportional to 144,953.77, 217,451.15 and 45,124.03

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Solution

The fourth proportional to 144,953.77, 217,451.15 and 45,124.03 is: 67,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.77 : 217,451.15 = 45,124.03 : x
  2. Step 2: Convert to fraction form
    144,953.77/217,451.15 = 45,124.03/x
  3. Step 3: Cross multiply
    144,953.77x = 217,451.15 × 45,124.03
  4. Step 4: Simplify right side
    144,953.77x = 9,812,273,144.39
  5. Step 5: Solve for x
    x = 9,812,273,144.39/144,953.77
  6. Step 6: Final answer
    x = 67,692.43

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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.