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Finding the Fourth Proportional to 183,343.92, 275,094.32 and 76,752.78

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Solution

The fourth proportional to 183,343.92, 275,094.32 and 76,752.78 is: 115,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,343.92 : 275,094.32 = 76,752.78 : x
  2. Step 2: Convert to fraction form
    183,343.92/275,094.32 = 76,752.78/x
  3. Step 3: Cross multiply
    183,343.92x = 275,094.32 × 76,752.78
  4. Step 4: Simplify right side
    183,343.92x = 21,114,253,438.45
  5. Step 5: Solve for x
    x = 21,114,253,438.45/183,343.92
  6. Step 6: Final answer
    x = 115,162.01

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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.