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Finding the Fourth Proportional to 104,996.57, 157,319.53 and 73,775.93

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Solution

The fourth proportional to 104,996.57, 157,319.53 and 73,775.93 is: 110,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,996.57 : 157,319.53 = 73,775.93 : x
  2. Step 2: Convert to fraction form
    104,996.57/157,319.53 = 73,775.93/x
  3. Step 3: Cross multiply
    104,996.57x = 157,319.53 × 73,775.93
  4. Step 4: Simplify right side
    104,996.57x = 11,606,393,661.88
  5. Step 5: Solve for x
    x = 11,606,393,661.88/104,996.57
  6. Step 6: Final answer
    x = 110,540.70

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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.