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Finding the Fourth Proportional to 93,841.36, 140,771.20 and 27,282

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Solution

The fourth proportional to 93,841.36, 140,771.20 and 27,282 is: 40,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,841.36 : 140,771.20 = 27,282 : x
  2. Step 2: Convert to fraction form
    93,841.36/140,771.20 = 27,282/x
  3. Step 3: Cross multiply
    93,841.36x = 140,771.20 × 27,282
  4. Step 4: Simplify right side
    93,841.36x = 3,840,519,878.40
  5. Step 5: Solve for x
    x = 3,840,519,878.40/93,841.36
  6. Step 6: Final answer
    x = 40,925.66

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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.