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Finding the Fourth Proportional to 103,327.56, 155,017.44 and 29,455.56

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Solution

The fourth proportional to 103,327.56, 155,017.44 and 29,455.56 is: 44,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,327.56 : 155,017.44 = 29,455.56 : x
  2. Step 2: Convert to fraction form
    103,327.56/155,017.44 = 29,455.56/x
  3. Step 3: Cross multiply
    103,327.56x = 155,017.44 × 29,455.56
  4. Step 4: Simplify right side
    103,327.56x = 4,566,125,504.97
  5. Step 5: Solve for x
    x = 4,566,125,504.97/103,327.56
  6. Step 6: Final answer
    x = 44,190.78

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1.5x scale

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.