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Finding the Fourth Proportional to 122,435.46, 183,751.92 and 63,288

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Solution

The fourth proportional to 122,435.46, 183,751.92 and 63,288 is: 94,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,435.46 : 183,751.92 = 63,288 : x
  2. Step 2: Convert to fraction form
    122,435.46/183,751.92 = 63,288/x
  3. Step 3: Cross multiply
    122,435.46x = 183,751.92 × 63,288
  4. Step 4: Simplify right side
    122,435.46x = 11,629,291,512.96
  5. Step 5: Solve for x
    x = 11,629,291,512.96/122,435.46
  6. Step 6: Final answer
    x = 94,983.03

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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.