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Finding the Fourth Proportional to 93,630.90, 140,481.81 and 56,217.11

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Solution

The fourth proportional to 93,630.90, 140,481.81 and 56,217.11 is: 84,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.90 : 140,481.81 = 56,217.11 : x
  2. Step 2: Convert to fraction form
    93,630.90/140,481.81 = 56,217.11/x
  3. Step 3: Cross multiply
    93,630.90x = 140,481.81 × 56,217.11
  4. Step 4: Simplify right side
    93,630.90x = 7,897,480,663.36
  5. Step 5: Solve for x
    x = 7,897,480,663.36/93,630.90
  6. Step 6: Final answer
    x = 84,346.94

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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.