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Finding the Fourth Proportional to 150,255.79, 225,051.48 and 102,758.32

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Solution

The fourth proportional to 150,255.79, 225,051.48 and 102,758.32 is: 153,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,255.79 : 225,051.48 = 102,758.32 : x
  2. Step 2: Convert to fraction form
    150,255.79/225,051.48 = 102,758.32/x
  3. Step 3: Cross multiply
    150,255.79x = 225,051.48 × 102,758.32
  4. Step 4: Simplify right side
    150,255.79x = 23,125,911,998.31
  5. Step 5: Solve for x
    x = 23,125,911,998.31/150,255.79
  6. Step 6: Final answer
    x = 153,910.29

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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.