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Finding the Fourth Proportional to 350,169.42, 525,264.78 and 136,928.82

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Solution

The fourth proportional to 350,169.42, 525,264.78 and 136,928.82 is: 205,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,169.42 : 525,264.78 = 136,928.82 : x
  2. Step 2: Convert to fraction form
    350,169.42/525,264.78 = 136,928.82/x
  3. Step 3: Cross multiply
    350,169.42x = 525,264.78 × 136,928.82
  4. Step 4: Simplify right side
    350,169.42x = 71,923,886,512.96
  5. Step 5: Solve for x
    x = 71,923,886,512.96/350,169.42
  6. Step 6: Final answer
    x = 205,397.39

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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.