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Finding the Fourth Proportional to 80,420.95, 110,977.80 and 44,610.35

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Solution

The fourth proportional to 80,420.95, 110,977.80 and 44,610.35 is: 61,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,420.95 : 110,977.80 = 44,610.35 : x
  2. Step 2: Convert to fraction form
    80,420.95/110,977.80 = 44,610.35/x
  3. Step 3: Cross multiply
    80,420.95x = 110,977.80 × 44,610.35
  4. Step 4: Simplify right side
    80,420.95x = 4,950,757,778.05
  5. Step 5: Solve for x
    x = 4,950,757,778.05/80,420.95
  6. Step 6: Final answer
    x = 61,560.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.