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Finding the Fourth Proportional to 93,234.62, 128,663.64 and 50,793.20

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Solution

The fourth proportional to 93,234.62, 128,663.64 and 50,793.20 is: 70,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,234.62 : 128,663.64 = 50,793.20 : x
  2. Step 2: Convert to fraction form
    93,234.62/128,663.64 = 50,793.20/x
  3. Step 3: Cross multiply
    93,234.62x = 128,663.64 × 50,793.20
  4. Step 4: Simplify right side
    93,234.62x = 6,535,237,999.25
  5. Step 5: Solve for x
    x = 6,535,237,999.25/93,234.62
  6. Step 6: Final answer
    x = 70,094.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.