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Finding the Fourth Proportional to 80,368.95, 110,911.77 and 44,562.30

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Solution

The fourth proportional to 80,368.95, 110,911.77 and 44,562.30 is: 61,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,368.95 : 110,911.77 = 44,562.30 : x
  2. Step 2: Convert to fraction form
    80,368.95/110,911.77 = 44,562.30/x
  3. Step 3: Cross multiply
    80,368.95x = 110,911.77 × 44,562.30
  4. Step 4: Simplify right side
    80,368.95x = 4,942,483,568.27
  5. Step 5: Solve for x
    x = 4,942,483,568.27/80,368.95
  6. Step 6: Final answer
    x = 61,497.43

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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.