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Finding the Fourth Proportional to 151,759.20, 227,638.80 and 53,263.20

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Solution

The fourth proportional to 151,759.20, 227,638.80 and 53,263.20 is: 79,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,759.20 : 227,638.80 = 53,263.20 : x
  2. Step 2: Convert to fraction form
    151,759.20/227,638.80 = 53,263.20/x
  3. Step 3: Cross multiply
    151,759.20x = 227,638.80 × 53,263.20
  4. Step 4: Simplify right side
    151,759.20x = 12,124,770,932.16
  5. Step 5: Solve for x
    x = 12,124,770,932.16/151,759.20
  6. Step 6: Final answer
    x = 79,894.80

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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.