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Finding the Fourth Proportional to 80,355.76, 110,888.94 and 44,545.66

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Solution

The fourth proportional to 80,355.76, 110,888.94 and 44,545.66 is: 61,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,355.76 : 110,888.94 = 44,545.66 : x
  2. Step 2: Convert to fraction form
    80,355.76/110,888.94 = 44,545.66/x
  3. Step 3: Cross multiply
    80,355.76x = 110,888.94 × 44,545.66
  4. Step 4: Simplify right side
    80,355.76x = 4,939,621,019.00
  5. Step 5: Solve for x
    x = 4,939,621,019.00/80,355.76
  6. Step 6: Final answer
    x = 61,471.90

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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.