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Finding the Fourth Proportional to 80,065.50, 110,490.39 and 44,737.50

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Solution

The fourth proportional to 80,065.50, 110,490.39 and 44,737.50 is: 61,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,065.50 : 110,490.39 = 44,737.50 : x
  2. Step 2: Convert to fraction form
    80,065.50/110,490.39 = 44,737.50/x
  3. Step 3: Cross multiply
    80,065.50x = 110,490.39 × 44,737.50
  4. Step 4: Simplify right side
    80,065.50x = 4,943,063,822.63
  5. Step 5: Solve for x
    x = 4,943,063,822.63/80,065.50
  6. Step 6: Final answer
    x = 61,737.75

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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.