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Finding the Fourth Proportional to 151,603.20, 227,404.80 and 53,107.20

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Solution

The fourth proportional to 151,603.20, 227,404.80 and 53,107.20 is: 79,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,603.20 : 227,404.80 = 53,107.20 : x
  2. Step 2: Convert to fraction form
    151,603.20/227,404.80 = 53,107.20/x
  3. Step 3: Cross multiply
    151,603.20x = 227,404.80 × 53,107.20
  4. Step 4: Simplify right side
    151,603.20x = 12,076,832,194.56
  5. Step 5: Solve for x
    x = 12,076,832,194.56/151,603.20
  6. Step 6: Final answer
    x = 79,660.80

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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.