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Finding the Fourth Proportional to 254,583.68, 381,885.76 and 67,596.80

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Solution

The fourth proportional to 254,583.68, 381,885.76 and 67,596.80 is: 101,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,583.68 : 381,885.76 = 67,596.80 : x
  2. Step 2: Convert to fraction form
    254,583.68/381,885.76 = 67,596.80/x
  3. Step 3: Cross multiply
    254,583.68x = 381,885.76 × 67,596.80
  4. Step 4: Simplify right side
    254,583.68x = 25,814,255,341.57
  5. Step 5: Solve for x
    x = 25,814,255,341.57/254,583.68
  6. Step 6: Final answer
    x = 101,397.92

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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.