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Finding the Fourth Proportional to 254,519.92, 381,660 and 94,484.98

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Solution

The fourth proportional to 254,519.92, 381,660 and 94,484.98 is: 141,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,519.92 : 381,660 = 94,484.98 : x
  2. Step 2: Convert to fraction form
    254,519.92/381,660 = 94,484.98/x
  3. Step 3: Cross multiply
    254,519.92x = 381,660 × 94,484.98
  4. Step 4: Simplify right side
    254,519.92x = 36,061,137,466.80
  5. Step 5: Solve for x
    x = 36,061,137,466.80/254,519.92
  6. Step 6: Final answer
    x = 141,682.97

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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.