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Finding the Fourth Proportional to 104,951.15, 157,426.73 and 100,577.15

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Solution

The fourth proportional to 104,951.15, 157,426.73 and 100,577.15 is: 150,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,951.15 : 157,426.73 = 100,577.15 : x
  2. Step 2: Convert to fraction form
    104,951.15/157,426.73 = 100,577.15/x
  3. Step 3: Cross multiply
    104,951.15x = 157,426.73 × 100,577.15
  4. Step 4: Simplify right side
    104,951.15x = 15,833,531,334.33
  5. Step 5: Solve for x
    x = 15,833,531,334.33/104,951.15
  6. Step 6: Final answer
    x = 150,865.73

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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.