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Finding the Fourth Proportional to 80,355.52, 110,878.94 and 44,545.50

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Solution

The fourth proportional to 80,355.52, 110,878.94 and 44,545.50 is: 61,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,355.52 : 110,878.94 = 44,545.50 : x
  2. Step 2: Convert to fraction form
    80,355.52/110,878.94 = 44,545.50/x
  3. Step 3: Cross multiply
    80,355.52x = 110,878.94 × 44,545.50
  4. Step 4: Simplify right side
    80,355.52x = 4,939,157,821.77
  5. Step 5: Solve for x
    x = 4,939,157,821.77/80,355.52
  6. Step 6: Final answer
    x = 61,466.32

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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.